chapter 1 · 2008-03-04 · 1.2.1 introduction the core component of embedded system is varied...

Professor TrongProfessor Trong--Yen LeeYen Leeee--mail mail tyleentutedutwtyleentutedutw

httphttpwwwntutedutw~tyleewwwntutedutw~tyleeNTUTENNTUTEN

Chapter 1 Chapter 1 Introduction to the System Prototype and Introduction to the System Prototype and

HardwareSoftware ArchitecturesHardwareSoftware Architectures

P-2125教育部顧問室PAL聯盟系統雛型與軟硬體整合設計第一章雛型系統軟硬體架構介紹教育部顧問室PAL聯盟系統雛型與軟硬體整合設計第一章雛型系統軟硬體架構介紹

OutlineOutline11 System on a Chip 11 System on a Chip 12 Embedded Processors12 Embedded Processors13 Embedded System and Software13 Embedded System and Software14 System Prototype Development Platforms14 System Prototype Development Platforms15 Peripheral Devices15 Peripheral Devices


11 System on a Chip11 System on a Chip11 System on a Chip11 System on a Chip12 Embedded Processors12 Embedded Processors13 Embedded System and Software13 Embedded System and Software14 System Prototype Development Platforms14 System Prototype Development Platforms15 Peripheral Devices15 Peripheral Devices


11 System on a Chip11 System on a Chip111 Introduction to 111 Introduction to SoCSoC112 112 SoCSoC TrendTrend113 Conclusion113 Conclusion


111 Introduction to 111 Introduction to SoCSoC111 Introduction to 111 Introduction to SoCSoC112 112 SoCSoC TrendTrend113 Conclusion113 Conclusion


111 Introduction to 111 Introduction to SoCSoCSystem-On-a-Chip (SoC)

Hundreds of millions of transistors are integrated on a chipTo build a system on a chipDesign reuseDeep submicron technologies

System LSISound of CenturySociety of Culture


111 Introduction to 111 Introduction to SoCSoCSystem

A collection of all kinds of components andor subsystems that are appropriately interconnected to perform the specified functions for end users

A SoC design is a ldquoproduct creation processrdquoStarts at identifying the end-user needsEnds at delivering a product with enough functional satisfaction to overcome the payment from the end-user


111 Introduction to 111 Introduction to SoCSoC

DSPCORE

RISCCORE

RAM

ROM

Peripheral

AnalogRFMixed Signal

Custom Logic(AISCFPGA)


111 Introduction to 111 Introduction to SoCSoC ndashndash SoCSoC AdvantagesAdvantagesCost

Low costCompactness

Portable hand-heldIncrease Performance

QualityLow Power ConsumptionDesign reusable


111 Introduction to 111 Introduction to SoCSoC ndashndashA Typical A Typical SoCSoC Design ExampleDesign Example

The hardware view of soc


111 Introduction to 111 Introduction to SoCSoC ndashndash SoCSoC Design FlowDesign Flow


111 Introduction to 111 Introduction to SoCSoC ndashndash SoCSoC Design TasksDesign TasksDefinition of system-level design specification (C-based HDLs)Design evaluation and explorationHardwareSoftware codesignCo-verification co-simulation and co-emulationDebugging and diagnosisRapid prototyping


112 112 SoCSoC TrendTrend111 Introduction to 111 Introduction to SoCSoC112 Trends 112 Trends SoCSoC113 Conclusion113 Conclusion


112 112 SoCSoC TrendTrendGiga-scale System-on-a-Chip (SoC)Nanometer technologies on SoCHigh level design abstractionAdequate methodologies for design reuseReprogrammable resources (FPSoC Field-Programmable System-on-a-Chip) provides significant opportunities in future SoC design


112 112 SoCSoC TrendTrendDesign RE-USE becomes common

Quality of reusable IPFirm IP core Soft IP core Hard IP core

Ease of UseEfficiencyStandardization of Core Protocol

Most of design effort is focused on verificationAccelerating Co-VerificationReal-World Stimuli


113 Conclusion113 Conclusion111 Introduction to 111 Introduction to SoCSoC112 112 SoCSoC Trend Trend 113 Conclusion113 Conclusion


113 Conclusion113 ConclusionSoC is Sound of CenturySoC design methodology needs to be studied furtherNew test paradigm and methodologiesChallenges and opportunities in Giga-scale integration for SoC amp Nanometer technologiesSoC amp IP Center in Taiwan


12 Embedded Processors12 Embedded Processors11 System on a Chip 11 System on a Chip 12 Embedded Processors12 Embedded Processors13 Embedded System and Software13 Embedded System and Software14 System Prototype Development Platforms14 System Prototype Development Platforms15 Peripheral Devices15 Peripheral Devices


12 Embedded Processors12 Embedded Processors121 Introduction121 Introduction122 Embedded Processor122 Embedded Processor123 Feature of ARM Microprocessor123 Feature of ARM Microprocessor124 ARM System Architecture124 ARM System Architecture125 The Products of 125 The Products of ARMARM SeriesSeries126 Processor Selection Guide126 Processor Selection Guide


121 Introduction121 Introduction121 Introduction122 Embedded Processor123 Feature of ARM Microprocessor124 ARM System Architecture125 The Products of ARM Series126 Processor Selection Guide


121 Introduction121 IntroductionThe core component of embedded system is varied embedded processorsEmbedded processors characteristics

Fast processingLow power consumptionFast real-time responseComplete IO function

Microprocessor instruction set architectureCISC (Complex Instruction Set Computer)RISC (Reduced Instruction Set Computer)


121 Introduction121 IntroductionRISC features

Adoption instruction format is fixed lengthInstruction completeness and simplenessSimply decode instruction formatUse code of optimization to compile

Single cycle instruction facilitate pipeline processingThe instruction decode and data processing are regular and common used Do not need to use complicated hardware control circuit and instruction set decode


121 Introduction121 IntroductionRISC features (contrsquod)

Usage large number of registersData processing instruction only operate the registers

Memory access has specially instruction of loading and storingOnly loadingstoring instruction can access memoryImproves the execution time of the instruction

Usage less instruction type and addressing modeBasic addressing has 2 to 3 kinds


121 Introduction121 IntroductionThe core processor of novel embedded system adopts RISC processorRISC processors are used in novel embedded systems

The ARM of ARM companyThe SH of Hitachi companyThe MIPS of MIPSLSI LogicIDTAldenyToshiba companyThe M-Core of MIPS Motorola company


122 Embedded Processor122 Embedded Processor121 Introduction121 Introduction122 Embedded Processor122 Embedded Processor123 Feature of ARM Microprocessor123 Feature of ARM Microprocessor124 ARM System Architecture124 ARM System Architecture125 The Products of 125 The Products of ARMARM SeriesSeries126 Processor Selection Guide126 Processor Selection Guide


122 Embedded Processor 122 Embedded Processor ndashndash ARMARMARM (Advanced RISC Machines)

A company name and generally called of microprocessorDesign ARM processor since 1983

4261985The first ARM prototype

ARM Company established in Britain Cambridge in 1991Sell the authorized design technique of the chipIP supplier of embedded RISC processor

ARM has already spread all over now Industrial control Consumer electronicsCommunication network system


123 Feature of ARM Microprocessor123 Feature of ARM Microprocessor121 Introduction121 Introduction122 Embedded Processor122 Embedded Processor123 Feature of ARM Microprocessor123 Feature of ARM Microprocessor124 ARM System Architecture124 ARM System Architecture125 The Products of 125 The Products of ARMARM SeriesSeries126 Processor Selection Guide126 Processor Selection Guide


123 Feature of ARM Microprocessor123 Feature of ARM MicroprocessorARM microprocessor has the following characteristics

Low power consumption low cost small size and high performance Support instruction set of Thumb (16-bit)ARM (32-bit)Usage large number of register hence the execution speed of theinstruction is fasterMost data operating and finishing in the register Addressing is flexible simple and high efficiencyFixed instruction lengthThe biggest cooperative partner in the world


124 ARM System Architecture124 ARM System Architecture121 Introduction121 Introduction122 Embedded Processor122 Embedded Processor123 Feature of ARM Microprocessor123 Feature of ARM Microprocessor124 ARM System Architecture124 ARM System Architecture125 The Products of 125 The Products of ARMARM SeriesSeries126 Processor Selection Guide126 Processor Selection Guide


124124 ARM System ArchitectureARM System ArchitectureARM system has defined 7 kinds of version

Cortex seriesVFP-32004v7

ARM11 ARM11 MPCoreSIMD Thumb-2 Trust-Zone Multiprocessing

2001v6

ARM10 XScaleDSP and Jazelle exten-sions1999v5

ARM7TDMI ARM8ARM9TDMI StrongARM

Thumb1996v4

ARM6 ARM732-bit MMU 64-bit MAC1992v3

ARM2 ARM3Coprocessor support1987v2

ARM1The first commercial RISC (26-bit)1985v1ImplementationsFeaturesYearVersion


124 ARM System Architecture 124 ARM System Architecture ndashndash V1V1 VersionVersionOnly appear in prototype machine ARM1 The following of basic property

Basic data processing instruction (no multiplication)Have byte half-word and word instructionTransfer instruction include link instruction and sub schedulingSoftware interruption instructionAddress space 64MB


124 ARM System Architecture 124 ARM System Architecture ndashndash VV2 Version2 VersionThe version is extension of V1 version such as ARM2 and ARM3 (V2a version) architectureThe version have increased functions as following

Multiplication and multiply-add instructionSupport operable instruction of additional-operatorFast interruption modeExchange instruction of basic memory and register for SWPSWPBAddress space 64MB


124 ARM System Architecture 124 ARM System Architecture ndashndash VV3 Version3 VersionThe address space increase to 32-bit (4GB)For deal with unusual state easily hence addition of two register

Current Program Status Register (CPSR)Saved Program Status Register (SPSR)

Addition abort and undefined processor modesARM6 adopts this version architecture The instruction set is changed as follows

Addition MRSMSR instruction to access new CPSRSPSR registerAddition return instruction is from unusual state process


124 ARM System Architecture 124 ARM System Architecture ndashndash VV4 Version4 VersionThe V4 version architecture is used widest ARM system at presentThe Thumb instruction set is added in v4 version that is extension of V3 versionARM7 ARM8 ARM9 and StrongARM are adoption this version architecture The version have increased functions as following

Semiosis unsemiosis half-word and semiosis byte access instruction16-bit Thumb instruction setPerfect software interruption SWI instructionUser-register is operated while the processor mode is peculiar modeUnused instruction space is changed into undefined instruction


124 ARM System Architecture 124 ARM System Architecture ndashndash VV5 Version5 VersionARM10 and XScale is adoption V5 version architectureThe version have increased instructions as following

Transference BLX instruction of link and exchangeCLZ instruction (zero-offset )BRK interruption instructionSingle process instruction (V5TE version)More can select instruction for additional-operator


124 ARM System Architecture 124 ARM System Architecture ndashndash VV6 Version6 VersionThe V6 version is presented in 2001Basic characteristic as following

100 of compatibility with previously system architectureSIMD is expanded make processing speeds 175 times fasterImprovement memory management make system performance raise 30V6 version improvement the question that Endian does not align with the dataReal-time system has improved interruption response time 35 cycles under the worst situation will improve to 11 cycles


124 ARM System Architecture 124 ARM System Architecture ndashndash VV7 Version7 VersionV7 version is presented at ldquoEmbedded Systems Conference（ESC）San Franciscordquo conference in 2004 it is named CortexV7 according to require divided into A R M three series

A series pays attention to raise operation performance such as PDA and mobile-phone etcR series pays attention to real-time process that reduce data inout delay time and raise insturction prediction accuracy etcM series toward low priced microprocessor

V7A and V7R strengthens the V6 version and V7M reduce the manufacturing cost specially


125 The Products of 125 The Products of ARMARM SeriesSeries121 Introduction121 Introduction122 Embedded Processor122 Embedded Processor123 Feature of ARM Microprocessor123 Feature of ARM Microprocessor124 ARM System Architecture124 ARM System Architecture125 The Products of 125 The Products of ARMARM SeriesSeries126 Processor Selection Guide126 Processor Selection Guide


125 The Products of 125 The Products of ARMARM SeriesSeriesARM product series

ARM7 ARM9 ARM9E ARM10 ARM 11 SecurCore Intel XScaleand StrongARM

For example ARM7TDMIARM732-bit integer operations kernel T 16-bit Thumb Instruction SetD On-Chip debugM Enhancement multiplierI Embedded ICE hardware interrupt and test

The following extension represent the choices of different form and function

S Synthetic softcoreE DSP functionJ Jazeller allow to execute Java byte program directly


125 ARM7 Microprocessor Series125 ARM7 Microprocessor SeriesARM7 specifics

EmbeddedICE-RT debug logicVery low power consumption09 MIPSMHz three-stage pipelinevon Neumann machine

Has a random-access memory (RAM) which means that each successive operation can read or write any memory location independent of the location accessed by the previous operation

A von Neumann machine also has a central processing unit (CPU) with one or more registers that hold data that are being operated on


125 ARM7 Microprocessor Architecture (13)125 ARM7 Microprocessor Architecture (13)ARM710 amp 720T

AMBAaddress

AMBAdata

instruction ampdata cache

AMBA interface

ARM7T DMI

EmbeddedICEamp JTAG

virtua l address

instruct ions amp data

phys

ical

addr

ess

CP15

MMU

writebuffer


125 ARM7 Microprocessor Architecture (23)125 ARM7 Microprocessor Architecture (23)ARM740T

A MB Aaddress

AMBAdata


AMBA interface

ARM7T DMI

EmbeddedICEamp JTAG

physical address


CP15

protection

writebuffer

unit


125 ARM7 Microprocessor Architecture (33)125 ARM7 Microprocessor Architecture (33)ARM7TDMI


125 ARM9 Microprocessor Series125 ARM9 Microprocessor SeriesARM9 family

Catched MacrocellsFive-stage pipeline11 MIPS MHz Support 32-bit ARM instruction set and 16-bit Thumb instruction setSupport 32-bit high speed AMBA busMemory Management Unit (MMU) support Windows CELinuxPalm OSMPU support real-time operation systemSupport data catch and instruction catch


125 ARM9E Microprocessor Series125 ARM9E Microprocessor SeriesARM9E features

The best hardware unit of high performance and low power consumptionDSP extensionEmbeddedICE-RT debug logic11 MipsMHz Five-stage pipeline Tightly Coupled Memory(TCM)Mainly apply to the advanced engine management the instrument instrument security system SetTop Box PDA network computer or intelligent telephone



AMBAaddress

AMBAdata

virtu

al IA

wr itebuffer

dataMMU

physical IA

virtu

al D

A

instructions

physicaladdress tag

phys

ical

DA

copy-back DA

data

ARM9TDMI

EmbeddedICEamp JTAG

CP15

externalcoprocessor

interfaceinstructioncache

instructionMMU

datacache

AMBA interface



A MB Aaddress

AMBAdata

inst

ruct

ions

data

data

add

ress

I add

ress

Protection Unitdata

cache

wri tebufferAMBA interface

instructioncache

externalcoprocessor

interface

ARM9TDMI

EmbeddedICEamp JTAG




125 ARM10 Microprocessor Series (12)125 ARM10 Microprocessor Series (12)ARM10 family

Highest performanceLow power consumptionCompare with equal ARM9 under the same clock frequency performance has been improved nearly 50


125 ARM10 Microprocessor Series (22)125 ARM10 Microprocessor Series (22)ARM10 specifics

Support DSP instruction set suitable for high speed digital signal processSix-stage pipelineSupport 32-bit ARM instruction set and 16-bit Thumb instruction setSupport 32-bit high speed AMBA busSupport VFP10 float process additional-operatorMMU support Windows CELinuxPalm OSSupport data catch and instruction catchEmbedded collateral readwrite operation component


125 ARM10 Microprocessor Architecture125 ARM10 Microprocessor ArchitectureARM10TDMI



Powerful ARMv6 instruction set architecture Low power consumption

lt 04mWMHz (013microm 1V) including cache controllers High performance integer processor

8-stage integer pipeline delivers high clock frequency



High performance memory system design Supports 4-64k cache sizes ARMv6 memory system architecture accelerates OS context-switch

Vectored interrupt interface and low-interrupt-latency mode speeds interrupt response and real-time performance Optional Vector Floating Point coprocessor (ARM1136JF-S) for automotiveindustrial controls and 3D graphics acceleration




125 125 StrongARMStrongARM Microprocessor SeriesMicroprocessor SeriesStrongARM is the embedded processor of Intel company for hand-held consumer electronic device and mobile computing and communicationThe processor that adopts StrongARM architecture have

SA-1StrongARM processor kernelSA-110StrongARM processor kernelSA-1100General processor MPUSA-1110 General processor MPUIXP1200Adoption network processor of StrongARM kernel


125 125 StrongARMStrongARM Microprocessor ArchitectureMicroprocessor Architecture

JTAG test clock and control

D-MMU D-cachewritebuffer

processorcore

I-cacheI-MMU

page table entries

page table entries

instructions

virtualaddress

virtualaddress

loaddata

store

physicaladdress

physicaladdress

memoryaddress

memorydata

data


125 125 StrongARMStrongARM Microprocessor Pipeline ArchitectureMicroprocessor Pipeline Architecture

I-cache

rotsgn ex

+4

rotate

ALU amp multiply

I decode

register read+ disp

D-cache

fetch

instr uctiondecode

execute

bufferdata

write-back

forwardingpaths

immediatefrac14elds

branchtarget

branchof fset

nextpc

regshift

loadstoreaddress

LDR pc

SUBS pc

MOV pc

post-index

pre-index

LDMSTM

register write

r15

pc + 8

B BL

pc + 4

+4

mux

shift


125 125 StrongARMStrongARM Specifics (12)Specifics (12)StrongARM processor kernel

Kernel SA-1Instruction Cache (I-Cache) 16KBData Cache (D-Cache) 8KBMini Data Cache 512BInstruction Memory Management Unit (IMMU) and Data Memory Management Unit (DMMU) Read and Write Buffer

Memory Control ModuleSupport various ROM FLASH DRAM SRAM and PCMCIA

System Control ModuleGeneral-Purpose interrupt GPIO 28-Pin Watchdog Timer Time interval counter Power management controls Interrupt control and Internal oscillator 2 (inclusion PLL)


125 125 StrongARMStrongARM Specifics (22)Specifics (22)Peripheral control module

LCD driver serial interface UART irDA interface and audio codec interface

The SA-1110 is extension of SA-1100 and increase functions as following

DMA controller 6-channel is to improve the efficiency of LCD display and IO conveying RTCSerial Peripheral Interface (SPI)The SA-1111 chip cooperates with SA-1110 and has expanded PS2 keyboard mouse USB and PCMCIACF interface


125 125 XScaleXScale Microprocessor Series (12)Microprocessor Series (12)XScale processor is novel embedded processor for wireless portable application productsXScale processor is the embedded processor in application subsystem and communication subsystem of PCA development platformThe clock of XScale microarchitecture processor can reach to 1GHz 1200MIPS and power consumption only 16WIOP310 IOP321 PXA210 PXA 25X PXA 26X and PXA 27X


125125 XScaleXScale Microprocessor Series (22)Microprocessor Series (22)XScale processor is a solution based on ARMv5TE architecture that is high cost-effective and low consumptionSupport Thumb instruction and DSP instruction set of 16-bit that has used in digital cellular phone Personal Digital Assistant (PDA) and network productsXScale processor that Intel popularizes a ARM microprocessor at present


125125 XScaleXScale Microprocessor ArchitectureMicroprocessor Architecture

CoprocessorInterface

Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator

CP0CP0MultiplierMultiplier

AccumulatorAccumulator

Branch Target BufferBranch Target BufferBranch Target Buffer

Data Cache32KBytes

Data CacheData Cache32KBytes32KBytes

DebugDebugDebug System Management

System System ManagementManagementJTAGJTAGJTAG

CP15Config

Registers

CP15CP15ConfigConfig

RegistersRegisters

Mini D-Cache2KBytes

Mini DMini D --CacheCache2KBytes2KBytes

MMUMMUMMU

InstructionCache

32KBytes

InstructionInstructionCacheCache

32KBytes32KBytesMMUMMUMMUExecution

CoreExecutionExecution

CoreCore

InterruptRequest

DataAddress

Data

Instruction

WriteBufferWriteWriteBufferBuffer

TraceBufferTraceTraceBufferBuffer

CP14Debug

Management

CP14CP14DebugDebug

ManagementManagement


Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug



125125 XScaleXScale Specifics (12)Specifics (12)Adoption 78 Super Pipeline

Dynamical jump forecast Branch Target Buffer (BTB)Support multimedia process technology

Multiply-accumulator (MAC)40-bit accumulatorinclusive with ARM V5TE instructionparticular DSP additional-operator (CP0)

Instruction Cache (I-Cache) 32KBData Cache (D-Cache) 32KB

Be able to reconstructs RAM for the 28KBMini Data Cache (Mini-DCache) 2KBInstruction Memory Management Unit (IMMU)

32 channel Translation Lookaside Buffer (TLB)


125125 XScaleXScale Specifics (22)Specifics (22)Dynamic power management Data Memory Management Unit (DMMU)

32 channel Translation Lookaside Buffer (TLB)Interrupt controller Bus controller1GBsec Error Checking and Correcting (ECC) protocolDebug interface

Performance monitoringAdditional-operator (CP14) Hardware breakpoint Hardware viewpoint BKPT instruction Exception interrupt JTAG interface and Track buffer


126 Processor Selection Guide126 Processor Selection Guide121 Introduction121 Introduction122 Embedded Processor122 Embedded Processor123 Feature of ARM Microprocessor123 Feature of ARM Microprocessor124 ARM System Architecture124 ARM System Architecture125 The Products of 125 The Products of ARMARM SeriesSeries126 Processor Selection Guide126 Processor Selection Guide


126 Processor Selection Guide (12)126 Processor Selection Guide (12)ARM microprocessor kernel

Usage OS such as WinCE or Linux etc need to choose the above ARM720T and have MMU functionARM720TARM920TARM922TARM946TStrong-ARM have MMU functionARM7TDMI has no MMU and unsupported Windows CE and Linux But the uCLinux is an OS not needing MMU to support that can execute on ARM7TDMI hardware platform1

Peripheral circuit within chipSuch as USB IIS LCD controller keyboard RTC ADC DAC and DSP additional-operator etcThe designer wants to analyze system requirement as much as possible adopt peripheral circuit within the chip to finish the necessary function


126 Processor Selection Guide (22)126 Processor Selection Guide (22)System operation frequency

The system operating frequency has determined the handling ability of ARM microprocessor The typical processing speed of ARM7 series of microprocessor are 09MIPSMHz Common ARM7 chip system clock is 20MHz-133MHzThe typical processing speed of ARM9 series of microprocessor are 11MIPSMHz Common ARM9 chip system clock is 100MHz-233MHz ARM10 most can reach 700MHz

Memory capacity within chipThe capacity of most ARM microprocessor chip internal memories is not very largeSuch as the AT91F40162 of ATMEL has chip internal procedure storage space of 2MB


13 Embedded System and Software13 Embedded System and Software11 System on a Chip 11 System on a Chip 12 Embedded Processors12 Embedded Processors13 Embedded System and Software13 Embedded System and Software14 System Prototype Development Platforms14 System Prototype Development Platforms15 Peripheral Devices15 Peripheral Devices


13 Embedded System and Software13 Embedded System and Software131 Embedded System131 Embedded System132 Embedded Operating Systems132 Embedded Operating Systems133 Embedded Software133 Embedded Software134 Popular RTOSes134 Popular RTOSes135 Embedded Platform135 Embedded Platform


131 Embedded System131 Embedded System131 Embedded System131 Embedded System132 Embedded Operating Systems132 Embedded Operating Systems133 Embedded Software133 Embedded Software134 Popular RTOSes134 Popular RTOSes135 Embedded Platform135 Embedded Platform


131 Embedded System (13)131 Embedded System (13)Embedded systems

A special purpose computer built into a larger deviceSpecial-purpose

Embedded systems have a (more or less) well-defined purposeContrast with general purpose computers (PCs etc)

Built into a larger deviceEmbedded systems are (usually) part of a larger device augmenting its capabilities


131 Embedded System (23)131 Embedded System (23)Electronic devices that incorporate a computer (usually a microprocessor) within their implementationHardware and software which forms a component of some larger system and which is expected to function without human interventionA computer is used in such devices primarily as a means to simplify the system design and to provide flexibility


131 Embedded System (33)131 Embedded System (33)A typical embedded system consists of a single-board microcomputer with software in ROM which starts running some special purpose application program as soon as it is turned on and will not stop until it is turned off (if ever)An embedded system may include some kind of operating system butoften it will be simple enough to be written as a single program Often it must provide real-time response


132 Embedded Operating Systems132 Embedded Operating Systems131 Embedded System131 Embedded System132 Embedded Operating Systems132 Embedded Operating Systems133 Embedded Software133 Embedded Software134 Popular RTOSes134 Popular RTOSes135 Embedded Platform135 Embedded Platform


132 Embedded Operating Systems [13]132 Embedded Operating Systems [13]A program that acts as an intermediary between a user and the computer hardwareGoal

Manage system resourcesProvide a development environment applications

Using Systemrsquos APIFacilitate program execution

Scheduling


132 Embedded Operating Systems (23)132 Embedded Operating Systems (23)Lite PC

Set-Top Boxes Kiosks Thin ClientsWindows NT EmbeddedWindows XP Embedded LinuxFeatures similar to desktop OS

Small DevicesCell phones PDArsquos Broadband RoutersPocketPC PalmOS Symbian DOS LinuxSmall footprint some real-time capabilities no hard drive

Hardened Real-TimeMissiles Satellites Vehicles Robots Industrial MachineryVxWorks QNX Windows CE Integrity Phar LapTiny footprint critical reliability fully preemptive


132 Embedded Operating Systems (33)132 Embedded Operating Systems (33)Office-style OSes

PalmOSWindowsCE

RTOSesVxWorksQNX

LinuxLinux is already ubiquitous

Hundreds of different devices are using itSeveral variations-from ldquosoft real timerdquo to ldquohard real timerdquoNumerous commercial + open source products

OthersTinyOS


133 Embedded Software133 Embedded Software131 Embedded System131 Embedded System132 Embedded Operating Systems132 Embedded Operating Systems133 Embedded Software133 Embedded Software134 Popular RTOSes134 Popular RTOSes135 Embedded Platform135 Embedded Platform


133 Embedded Software (13)133 Embedded Software (13)Principal role

ldquoNot transformation of data but interaction with physical worldrdquoAcquires properties of physical world

Takes timeConsumes powerDoes not terminate (unless it fails)

The development of embedded software components is neededTo help structured system design and system developmentTo reduce the cost of overall system development and maintenance effortsTo support the reuse of components within product families


133 Embedded Software (23)133 Embedded Software (23)816-bit systems

No OS or ldquoroll your ownrdquo1632-bit systems

Proprietary RTOS eg VxWorks pSOS3264-bit systems

ldquoStandardrdquo OSWindows CEXPePOSIX LinuxQNX


133 Embedded Software (33)133 Embedded Software (33)Embedded Software Properties

Timeliness systematically removed from theories of computationConcurrency In the physical world multiple things happen at onceLiveness Programs must not terminateReactivity Interactive systems


134 Popular 134 Popular RTOSesRTOSes131 Embedded System131 Embedded System132 Embedded Operating Systems132 Embedded Operating Systems133 Embedded Software133 Embedded Software134 Popular RTOSes134 Popular RTOSes135 Embedded Platform135 Embedded Platform


134 Popular 134 Popular RTOSesRTOSes (12)(12)Wind River VxWorks

Most popular RTOS with militaryTornado Development EnvironmentNo GUIExpensive

QNXUsed primarily in scientific and medical applicationsPhoton GUIRTOS that still has eye candy


134 Popular 134 Popular RTOSesRTOSes (22)(22)Microsoft Windows CE

Shares no code with desktop WindowsEspecially popular in EuropeBasis for PocketPCNET Compact Framework

Green Hills IntegrityFirst DO-178B ready RTOSUsed in F-16 and F-22No dynamic memory allocation


135 Embedded Platform135 Embedded Platform131 Embedded System131 Embedded System132 Embedded Operating Systems132 Embedded Operating Systems133 Embedded Software133 Embedded Software134 Popular RTOSes134 Popular RTOSes135 Embedded Platform135 Embedded Platform


135 Embedded Platform135 Embedded PlatformWindows CEWindows XP EmbeddedQNXLinux


135 Typical Windows CE Projects135 Typical Windows CE ProjectsBattery powered handheld devices

Handheld food analysis meterConsultancy porting application development

Warehouse management devicePorting

Security scannerApplication development


135 Typical XP Embedded Projects135 Typical XP Embedded ProjectsMains powered devicesMultimedia network functionality or large storageCustomer develops desktop XP application

Weighing machineAudio processorHair remover


135 Typical QNX Project135 Typical QNX ProjectCerfCube Network Appliance

Porting


135 Typical Linux Projects135 Typical Linux ProjectsMains powered (usually)Lowest possible unit costDevelopment cost not a major issue

Set top boxLarge scale UPS monitoring


14 14 System Prototype Development PlatformsSystem Prototype Development Platforms11 System on a Chip 11 System on a Chip 12 Embedded Processors12 Embedded Processors13 Embedded System and Software13 Embedded System and Software14 System Prototype Development Platforms14 System Prototype Development Platforms15 Peripheral Devices15 Peripheral Devices


14 System Prototype Development Platforms14 System Prototype Development Platforms141 NET141 NET--Start PlatformStart Platform142 142 EMPOS IIEMPOS II PlatformPlatform143 LYRTECH DB1000 Platform143 LYRTECH DB1000 Platform144 144 XSXScalecale PXA255 PlatformPXA255 Platform


141 NET141 NET--Start PlatformStart Platform141 NET141 NET--Start PlatformStart Platform142 142 EMPOS IIEMPOS II PlatformPlatform143 LYRTECH DB1000 Platform143 LYRTECH DB1000 Platform144 144 XSXScalecale PXA255 PlatformPXA255 Platform


141 NET141 NET--Start (12)Start (12)A fleet of Embedded Linux SolutionsA true embedded system for engineers to develop their Linux appliancesA complete and reliable RISC platform for IA companies to design their own productsA low cost learning kit for students to practice Embedded Linux systemProduct shipped with uCLinux source code and tool chain


141 NET141 NET--Start (22)Start (22)


141 NET141 NET--Start FPGA amp NETStart FPGA amp NET--Start CPLDStart CPLDFPGA BoardXilinx Spartan-II XC2S2005292 logic cells(200000 gates)JTAG port4digits 7-segment LED8x LED8x Push buttons8x Sliding switches20 x 2 dot matrix LCD connector16-color VGA connectorA-type USB (hostclient)1620 bits Stereo ADDA converterDupont connectors(11x213x2 pins)1x12MHz Oscillator 3x Clock inputs

CPLD BoardXilinx XC95288XL288 Macrocells (6400 gates)JTAG port7-segment LEDClock generatorLED Display4x Push buttons (debounced) 8x Sliding switchesParallel port


141 NET141 NET--Start ApplicationsStart ApplicationsNATRouter Server appliancesWeb padHandheldPDA appliancesCar navigation applicationsWeb cameraMultimedia appliancesDigital video recorderPersonal video recorderIC design and validation platformSingle board computer for industrial applications


141 NET141 NET--Start in Product DevelopmentStart in Product DevelopmentInternet appliancesGPSGPRS Car navigation applicationsSecond storage extensions

Type III CF card slotPCMCIA slotIDE HDD interface

IrDAUSB extensionWireless extensionExcellant for Embedded Linux Cources


142 142 EMPOS IIEMPOS II PlatformPlatform141 NET141 NET--Start PlatformStart Platform142 142 EMPOS IIEMPOS II PlatformPlatform143 LYRTECH DB1000 Platform143 LYRTECH DB1000 Platform144 144 XSXScalecale PXA255 PlatformPXA255 Platform


142 142 EMPOS IIEMPOS II


142 142 EMPOS II Block DiagramEMPOS II Block DiagramJTAG Port

JFlash Multi ICE SDRAM32M to 64M Byte

SRAM1M Byte

FLASH16M to 32MByte

Charactor LCDDisplay 1

BUFFER

PCMCIASocket 1

PS2 KeyBoard 1PS2 Mouse 1

LED Display 8

Compact FlashSocket 1

7 SegmentHEX Display

PUSH ButtonSwitch 8

BUFFER

BUFFER

BUFFER

BUFFER

BUFFER

TFT Color LCD640480 (64)

BUFFER

BUFFER

Expansion PortSlot 1

Secondary EthernetLAN91C111

Primary EthernetLAN91C111

MMCSD Socket 1 SPI

IrDA Module 1 IrDA

Full UART Socket1

Bluetooth UART 1

Full UART

Bluetooth

USB Slave 1 UDC

BUFFER

TouchScreen64

ADS7846

Real Time ClockRTC4513

I2C EEPROMNM24C16

GPIO

I2C

SDRAM100Mhz

PXA255-400Mhz

XScale Core

I2C BUSConnector 1

I2C

BUFFER

ACrsquo97 CodecCS4202

AC97 Inteface

MMCSD Socket 1


142 142 EMPOS II Specification (12)EMPOS II Specification (12)

ACrsquo97 Stereo Codec CS4202AudioST_UART HDSL3600IrDA74LCX245JTAGLAN91C111 (10100Base-T)EthernetUSB 11 SlaveUSBFF_UART BT_UARTSerialADS7846 4-wire Touch InterfaceTouch ScreenLG TFT LCD 64rdquo (640480)LCD

Peripheral Device

Intel strata Flash 32MbyteFlashSamsung 64MbyteSDRAMMemoryIntel X-Scale PXA255 400MhzCPU

DescriptionItem


142 142 EMPOS II Specification (EMPOS II Specification (222)2)

202 TEXT LCD ModuleTEXT LCDPush Button 8 (Bus Control)Button

120 pinExtend connector

Interface

Real Time Clock Module RTC4513RTC

Discrete LED 8 7Segment LED 4LED

1 SlotCFPCMCIA

4 pinPower connector20 pinJTAG connector4 pinTouch connector5 pinInverter connector30 pinLCD Connector

Peripheral device

1 SlotDescription Item


142 142 Hardware Hardware OOverviewverview

MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge

Interrupt Controller

ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843

Dynamic Memory Controller

SDCKE[1]SDCLK[1]SDCS[0]

SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON

LDD[150]L-FCLKL-LCLKL-PCLK

LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS

E-PORT0[70] GP25E-PORT

GP23

E-PORT0 7

TFT LCD amp TFT LCD amp

Touch Touch SScreencreen



MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller

MemoryControlRegisters D+

D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

Serial USB PortSerial USB Port


143 LYRTECH DB1000 Platform143 LYRTECH DB1000 Platform141 NET141 NET--Start PlatformStart Platform142 142 EMPOS IIEMPOS II PlatformPlatform143 LYRTECH DB1000 Platform143 LYRTECH DB1000 Platform144 144 XSXScalecale PXA255 PlatformPXA255 Platform


143 LYR TECH DB1000 Platform143 LYR TECH DB1000 Platform


143 LYR TECH DB1000 Applications143 LYR TECH DB1000 ApplicationsDevelop and test DSP algorithmsDesign hardware and software applications efficientlyTest and debug subsystem hardware modules


143 Block Diagram143 Block Diagram


143 Major Components (12)143 Major Components (12)TC1202ATC1402A Test Chip

250 MHz tested under worst-case conditions (110degC)Altera Stratix FPGA

User-programmable FPGA with32 K 40 K 60 K or 80 K logic elements and 3M RAM bits

16-bit Stereo Codec A sigma-delta codec supports sampling rates of 8 11025 16 2205 24 32 441 and 48 KHz The codec features stereo inputs and outputs and on-board speaker and headphone driver

UART 16550 and RS232 Port A standard UART 16550 and a RS232 transceiver support from 50 bps up to 15 Mbps

USB 20 A microcontroller integrates the USB 20transceiverThe USB 20 interface allows fast USB JTAG emulation and Host Interface through a DPRAM


143143 Major Components (22)Major Components (22)Memory

DPRAM Two 2Kbyte dual-ported RAMs support a host interface via USB or via ARMAHB

SDRAM One SDRAM SODIMM module (up to 256 MB)

FLASH Two asynchronous flash devices connected to the external memory bus for programdata (4 MB)

Clock Support Choice of an external clock signal supplied through a SMA connector or an on-board 10 MHz oscillator and integrated PLL for the test chip

Power Supply 5 V 5 A universal power supply (UL and MITI certified)

Memory EPROM Fail safe boot device


144 144 XSXScalecale PXA255 PlatformPXA255 Platform141 NET141 NET--Start PlatformStart Platform142 142 EMPOS IIEMPOS II PlatformPlatform143 LYRTECH DB1000 Platform143 LYRTECH DB1000 Platform144 144 XSXScalecale PXA255 PlatformPXA255 Platform


144144 XSXScalecale PXA255 Platform PXA255 Platform


144144 XSXScalecale PXAPXA255 255 Embedded PlatformEmbedded PlatformHardware ArchitectureSpecification of Platform


144 Hardware Architecture144 Hardware Architecture

PXA25532MFlash

120pin Expension Area

64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface

Touch PannelController

Reset

MMC

USB Client


144 Hardware Block Diagram144 Hardware Block Diagram


144 Specification of Platform (12)144 Specification of Platform (12)Intel XScale PXA255-400MHz CPU81 inch TFT LCDresolution 640x480 or higherTouch PanelUSB

Host 20 x 2Cypress chipClient 11 x1

MemoryFLASH32 MbytesSDRAM64 Mbytes

JTAG interfaceconnect to simulatorEthernet10BaseTACrsquo97 Audio Codec


144 Specification of Platform (22)144 Specification of Platform (22)PCMCIA interface

Connect to memory card or wireless network interface card CF interface

Connect to memory card or wireless network interface cardMMC interface

Connect to MMC cardSlot

120 pin GPIO and memory bus interface built-in 8 Push Buttonsbuilt-in 8 state LED


144 Applications (12)144 Applications (12)

MP4

DVD


144 Applications (22)144 Applications (22)PDA cell phone

GPS navigation

PDA


15 15 Peripheral DevicesPeripheral Devices11 System on a Chip 11 System on a Chip 12 Embedded Processors12 Embedded Processors13 Embedded System and Software13 Embedded System and Software14 System Prototype Development Platforms14 System Prototype Development Platforms15 Peripheral Devices15 Peripheral Devices


15 Peripheral Devices15 Peripheral Devices

FPGA Module IDE Module

PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module


ReferenceReference[1] SoC聯盟 ldquo超大型積體電路與系統設計-教育改進計畫rdquo[2] PampL聯盟 ldquo超大型積體電路與系統設計-教育改進計畫rdquo[3] ARM Chips List httpwwwkhantaziorgArchivesARMChipshtmlVersion[4] Micro-Electronics httpwwwmemchinacomnemagazinemagazine_articleaspId=500[5] 工師技術支援網站 httpchinanikkeibpcojpchinanewssemi200503semi200503100109html[6] 王穎聰 ldquo嵌入式系統概論rdquo銘傳大學電腦與通訊工程學系 92年09月


ReferenceReference[7] Leonid Ryzhyk ldquoThe ARM Architectureldquo httpwwwcseunsweduau~cs924406seminars08-leonidrpdfsearch=22The20ARM20Architecture20PDF22[8] Embedded Operating Systems httpwwwlugpsueduminutescgi[9] Embedded Systems httpwwwlecscsuclaedu~thanosEmbedded_systemsppt[10] Software Engineering Competence center httpwwwseccorgegOther20SECC20PDFsESDUpdf


ReferenceReference[11] CIS 700 Integration of Embedded System Components Principles and Practice httpwwwcisupennedu~lee05cis700slides_pdflec01-emsys-v1pdf[12] Embedded Platform Choices httpwwwmpc-datacoukaboutusPresentationsTheRightPlatformChoicepdf[13] Pukyung National University Embedded System Laboratory httpcalab1pknuackrpdfmacro_processorembedded_ppt1ppt[14] Open Source Embedded System Development Platform httpwwwasia-ossorgsep2004presentationcompanywiscoreforaossppt


OutlineOutline11 System on a Chip 11 System on a Chip 12 Embedded Processors12 Embedded Processors13 Embedded System and Software13 Embedded System and Software14 System Prototype Development Platforms14 System Prototype Development Platforms15 Peripheral Devices15 Peripheral Devices

















DSPCORE

RISCCORE

RAM

ROM

Peripheral





Low costCompactness
































































2001v6



Thumb1996v4











































AMBAaddress

AMBAdata


AMBA interface

ARM7T DMI

EmbeddedICEamp JTAG

virtua l address


phys

ical

addr

ess

CP15

MMU

writebuffer



A MB Aaddress

AMBAdata


AMBA interface

ARM7T DMI

EmbeddedICEamp JTAG

physical address


CP15

protection

writebuffer

unit











AMBAaddress

AMBAdata

virtu

al IA

wr itebuffer

dataMMU

physical IA

virtu

al D

A

instructions

physicaladdress tag

phys

ical

DA

copy-back DA

data

ARM9TDMI

EmbeddedICEamp JTAG

CP15

externalcoprocessor


instructionMMU

datacache

AMBA interface



A MB Aaddress

AMBAdata

inst

ruct

ions

data

data

add

ress

I add

ress

Protection Unitdata

cache


instructioncache

externalcoprocessor

interface

ARM9TDMI

EmbeddedICEamp JTAG





























processorcore

I-cacheI-MMU

page table entries

page table entries

instructions

virtualaddress

virtualaddress

loaddata

store

physicaladdress

physicaladdress

memoryaddress

memorydata

data



I-cache

rotsgn ex

+4

rotate

ALU amp multiply

I decode

register read+ disp

D-cache

fetch

instr uctiondecode

execute

bufferdata

write-back

forwardingpaths

immediatefrac14elds

branchtarget

branchof fset

nextpc

regshift

loadstoreaddress

LDR pc

SUBS pc

MOV pc

post-index

pre-index

LDMSTM

register write

r15

pc + 8

B BL

pc + 4

+4

mux

shift


















Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug



Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug












































Scheduling








PalmOSWindowsCE

RTOSesVxWorksQNX



OthersTinyOS








































Porting






























SRAM1M Byte

FLASH16M to 32MByte


BUFFER

PCMCIASocket 1


LED Display 8



PUSH ButtonSwitch 8

BUFFER

BUFFER

BUFFER

BUFFER

BUFFER


BUFFER

BUFFER




MMCSD Socket 1 SPI

IrDA Module 1 IrDA

Full UART Socket1

Bluetooth UART 1

Full UART

Bluetooth

USB Slave 1 UDC

BUFFER

TouchScreen64

ADS7846


I2C EEPROMNM24C16

GPIO

I2C

SDRAM100Mhz

PXA255-400Mhz

XScale Core

I2C BUSConnector 1

I2C

BUFFER


AC97 Inteface

MMCSD Socket 1




Peripheral Device


DescriptionItem





Interface



1 SlotCFPCMCIA


Peripheral device




MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module























DSPCORE

RISCCORE

RAM

ROM

Peripheral





Low costCompactness
































































2001v6



Thumb1996v4











































AMBAaddress

AMBAdata


AMBA interface

ARM7T DMI

EmbeddedICEamp JTAG

virtua l address


phys

ical

addr

ess

CP15

MMU

writebuffer



A MB Aaddress

AMBAdata


AMBA interface

ARM7T DMI

EmbeddedICEamp JTAG

physical address


CP15

protection

writebuffer

unit











AMBAaddress

AMBAdata

virtu

al IA

wr itebuffer

dataMMU

physical IA

virtu

al D

A

instructions

physicaladdress tag

phys

ical

DA

copy-back DA

data

ARM9TDMI

EmbeddedICEamp JTAG

CP15

externalcoprocessor


instructionMMU

datacache

AMBA interface



A MB Aaddress

AMBAdata

inst

ruct

ions

data

data

add

ress

I add

ress

Protection Unitdata

cache


instructioncache

externalcoprocessor

interface

ARM9TDMI

EmbeddedICEamp JTAG





























processorcore

I-cacheI-MMU

page table entries

page table entries

instructions

virtualaddress

virtualaddress

loaddata

store

physicaladdress

physicaladdress

memoryaddress

memorydata

data



I-cache

rotsgn ex

+4

rotate

ALU amp multiply

I decode

register read+ disp

D-cache

fetch

instr uctiondecode

execute

bufferdata

write-back

forwardingpaths

immediatefrac14elds

branchtarget

branchof fset

nextpc

regshift

loadstoreaddress

LDR pc

SUBS pc

MOV pc

post-index

pre-index

LDMSTM

register write

r15

pc + 8

B BL

pc + 4

+4

mux

shift


















Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug



Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug












































Scheduling








PalmOSWindowsCE

RTOSesVxWorksQNX



OthersTinyOS








































Porting






























SRAM1M Byte

FLASH16M to 32MByte


BUFFER

PCMCIASocket 1


LED Display 8



PUSH ButtonSwitch 8

BUFFER

BUFFER

BUFFER

BUFFER

BUFFER


BUFFER

BUFFER




MMCSD Socket 1 SPI

IrDA Module 1 IrDA

Full UART Socket1

Bluetooth UART 1

Full UART

Bluetooth

USB Slave 1 UDC

BUFFER

TouchScreen64

ADS7846


I2C EEPROMNM24C16

GPIO

I2C

SDRAM100Mhz

PXA255-400Mhz

XScale Core

I2C BUSConnector 1

I2C

BUFFER


AC97 Inteface

MMCSD Socket 1




Peripheral Device


DescriptionItem





Interface



1 SlotCFPCMCIA


Peripheral device




MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module









Low costCompactness
































































2001v6



Thumb1996v4











































AMBAaddress

AMBAdata


AMBA interface

ARM7T DMI

EmbeddedICEamp JTAG

virtua l address


phys

ical

addr

ess

CP15

MMU

writebuffer



A MB Aaddress

AMBAdata


AMBA interface

ARM7T DMI

EmbeddedICEamp JTAG

physical address


CP15

protection

writebuffer

unit











AMBAaddress

AMBAdata

virtu

al IA

wr itebuffer

dataMMU

physical IA

virtu

al D

A

instructions

physicaladdress tag

phys

ical

DA

copy-back DA

data

ARM9TDMI

EmbeddedICEamp JTAG

CP15

externalcoprocessor


instructionMMU

datacache

AMBA interface



A MB Aaddress

AMBAdata

inst

ruct

ions

data

data

add

ress

I add

ress

Protection Unitdata

cache


instructioncache

externalcoprocessor

interface

ARM9TDMI

EmbeddedICEamp JTAG





























processorcore

I-cacheI-MMU

page table entries

page table entries

instructions

virtualaddress

virtualaddress

loaddata

store

physicaladdress

physicaladdress

memoryaddress

memorydata

data



I-cache

rotsgn ex

+4

rotate

ALU amp multiply

I decode

register read+ disp

D-cache

fetch

instr uctiondecode

execute

bufferdata

write-back

forwardingpaths

immediatefrac14elds

branchtarget

branchof fset

nextpc

regshift

loadstoreaddress

LDR pc

SUBS pc

MOV pc

post-index

pre-index

LDMSTM

register write

r15

pc + 8

B BL

pc + 4

+4

mux

shift


















Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug



Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug












































Scheduling








PalmOSWindowsCE

RTOSesVxWorksQNX



OthersTinyOS








































Porting






























SRAM1M Byte

FLASH16M to 32MByte


BUFFER

PCMCIASocket 1


LED Display 8



PUSH ButtonSwitch 8

BUFFER

BUFFER

BUFFER

BUFFER

BUFFER


BUFFER

BUFFER




MMCSD Socket 1 SPI

IrDA Module 1 IrDA

Full UART Socket1

Bluetooth UART 1

Full UART

Bluetooth

USB Slave 1 UDC

BUFFER

TouchScreen64

ADS7846


I2C EEPROMNM24C16

GPIO

I2C

SDRAM100Mhz

PXA255-400Mhz

XScale Core

I2C BUSConnector 1

I2C

BUFFER


AC97 Inteface

MMCSD Socket 1




Peripheral Device


DescriptionItem





Interface



1 SlotCFPCMCIA


Peripheral device




MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module




































































2001v6



Thumb1996v4











































AMBAaddress

AMBAdata


AMBA interface

ARM7T DMI

EmbeddedICEamp JTAG

virtua l address


phys

ical

addr

ess

CP15

MMU

writebuffer



A MB Aaddress

AMBAdata


AMBA interface

ARM7T DMI

EmbeddedICEamp JTAG

physical address


CP15

protection

writebuffer

unit











AMBAaddress

AMBAdata

virtu

al IA

wr itebuffer

dataMMU

physical IA

virtu

al D

A

instructions

physicaladdress tag

phys

ical

DA

copy-back DA

data

ARM9TDMI

EmbeddedICEamp JTAG

CP15

externalcoprocessor


instructionMMU

datacache

AMBA interface



A MB Aaddress

AMBAdata

inst

ruct

ions

data

data

add

ress

I add

ress

Protection Unitdata

cache


instructioncache

externalcoprocessor

interface

ARM9TDMI

EmbeddedICEamp JTAG





























processorcore

I-cacheI-MMU

page table entries

page table entries

instructions

virtualaddress

virtualaddress

loaddata

store

physicaladdress

physicaladdress

memoryaddress

memorydata

data



I-cache

rotsgn ex

+4

rotate

ALU amp multiply

I decode

register read+ disp

D-cache

fetch

instr uctiondecode

execute

bufferdata

write-back

forwardingpaths

immediatefrac14elds

branchtarget

branchof fset

nextpc

regshift

loadstoreaddress

LDR pc

SUBS pc

MOV pc

post-index

pre-index

LDMSTM

register write

r15

pc + 8

B BL

pc + 4

+4

mux

shift


















Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug



Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug












































Scheduling








PalmOSWindowsCE

RTOSesVxWorksQNX



OthersTinyOS








































Porting






























SRAM1M Byte

FLASH16M to 32MByte


BUFFER

PCMCIASocket 1


LED Display 8



PUSH ButtonSwitch 8

BUFFER

BUFFER

BUFFER

BUFFER

BUFFER


BUFFER

BUFFER




MMCSD Socket 1 SPI

IrDA Module 1 IrDA

Full UART Socket1

Bluetooth UART 1

Full UART

Bluetooth

USB Slave 1 UDC

BUFFER

TouchScreen64

ADS7846


I2C EEPROMNM24C16

GPIO

I2C

SDRAM100Mhz

PXA255-400Mhz

XScale Core

I2C BUSConnector 1

I2C

BUFFER


AC97 Inteface

MMCSD Socket 1




Peripheral Device


DescriptionItem





Interface



1 SlotCFPCMCIA


Peripheral device




MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module














































AMBAaddress

AMBAdata


AMBA interface

ARM7T DMI

EmbeddedICEamp JTAG

virtua l address


phys

ical

addr

ess

CP15

MMU

writebuffer



A MB Aaddress

AMBAdata


AMBA interface

ARM7T DMI

EmbeddedICEamp JTAG

physical address


CP15

protection

writebuffer

unit











AMBAaddress

AMBAdata

virtu

al IA

wr itebuffer

dataMMU

physical IA

virtu

al D

A

instructions

physicaladdress tag

phys

ical

DA

copy-back DA

data

ARM9TDMI

EmbeddedICEamp JTAG

CP15

externalcoprocessor


instructionMMU

datacache

AMBA interface



A MB Aaddress

AMBAdata

inst

ruct

ions

data

data

add

ress

I add

ress

Protection Unitdata

cache


instructioncache

externalcoprocessor

interface

ARM9TDMI

EmbeddedICEamp JTAG





























processorcore

I-cacheI-MMU

page table entries

page table entries

instructions

virtualaddress

virtualaddress

loaddata

store

physicaladdress

physicaladdress

memoryaddress

memorydata

data



I-cache

rotsgn ex

+4

rotate

ALU amp multiply

I decode

register read+ disp

D-cache

fetch

instr uctiondecode

execute

bufferdata

write-back

forwardingpaths

immediatefrac14elds

branchtarget

branchof fset

nextpc

regshift

loadstoreaddress

LDR pc

SUBS pc

MOV pc

post-index

pre-index

LDMSTM

register write

r15

pc + 8

B BL

pc + 4

+4

mux

shift


















Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug



Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug












































Scheduling








PalmOSWindowsCE

RTOSesVxWorksQNX



OthersTinyOS








































Porting






























SRAM1M Byte

FLASH16M to 32MByte


BUFFER

PCMCIASocket 1


LED Display 8



PUSH ButtonSwitch 8

BUFFER

BUFFER

BUFFER

BUFFER

BUFFER


BUFFER

BUFFER




MMCSD Socket 1 SPI

IrDA Module 1 IrDA

Full UART Socket1

Bluetooth UART 1

Full UART

Bluetooth

USB Slave 1 UDC

BUFFER

TouchScreen64

ADS7846


I2C EEPROMNM24C16

GPIO

I2C

SDRAM100Mhz

PXA255-400Mhz

XScale Core

I2C BUSConnector 1

I2C

BUFFER


AC97 Inteface

MMCSD Socket 1




Peripheral Device


DescriptionItem





Interface



1 SlotCFPCMCIA


Peripheral device




MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module









A MB Aaddress

AMBAdata


AMBA interface

ARM7T DMI

EmbeddedICEamp JTAG

physical address


CP15

protection

writebuffer

unit











AMBAaddress

AMBAdata

virtu

al IA

wr itebuffer

dataMMU

physical IA

virtu

al D

A

instructions

physicaladdress tag

phys

ical

DA

copy-back DA

data

ARM9TDMI

EmbeddedICEamp JTAG

CP15

externalcoprocessor


instructionMMU

datacache

AMBA interface



A MB Aaddress

AMBAdata

inst

ruct

ions

data

data

add

ress

I add

ress

Protection Unitdata

cache


instructioncache

externalcoprocessor

interface

ARM9TDMI

EmbeddedICEamp JTAG





























processorcore

I-cacheI-MMU

page table entries

page table entries

instructions

virtualaddress

virtualaddress

loaddata

store

physicaladdress

physicaladdress

memoryaddress

memorydata

data



I-cache

rotsgn ex

+4

rotate

ALU amp multiply

I decode

register read+ disp

D-cache

fetch

instr uctiondecode

execute

bufferdata

write-back

forwardingpaths

immediatefrac14elds

branchtarget

branchof fset

nextpc

regshift

loadstoreaddress

LDR pc

SUBS pc

MOV pc

post-index

pre-index

LDMSTM

register write

r15

pc + 8

B BL

pc + 4

+4

mux

shift


















Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug



Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug












































Scheduling








PalmOSWindowsCE

RTOSesVxWorksQNX



OthersTinyOS








































Porting






























SRAM1M Byte

FLASH16M to 32MByte


BUFFER

PCMCIASocket 1


LED Display 8



PUSH ButtonSwitch 8

BUFFER

BUFFER

BUFFER

BUFFER

BUFFER


BUFFER

BUFFER




MMCSD Socket 1 SPI

IrDA Module 1 IrDA

Full UART Socket1

Bluetooth UART 1

Full UART

Bluetooth

USB Slave 1 UDC

BUFFER

TouchScreen64

ADS7846


I2C EEPROMNM24C16

GPIO

I2C

SDRAM100Mhz

PXA255-400Mhz

XScale Core

I2C BUSConnector 1

I2C

BUFFER


AC97 Inteface

MMCSD Socket 1




Peripheral Device


DescriptionItem





Interface



1 SlotCFPCMCIA


Peripheral device




MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module

















AMBAaddress

AMBAdata

virtu

al IA

wr itebuffer

dataMMU

physical IA

virtu

al D

A

instructions

physicaladdress tag

phys

ical

DA

copy-back DA

data

ARM9TDMI

EmbeddedICEamp JTAG

CP15

externalcoprocessor


instructionMMU

datacache

AMBA interface



A MB Aaddress

AMBAdata

inst

ruct

ions

data

data

add

ress

I add

ress

Protection Unitdata

cache


instructioncache

externalcoprocessor

interface

ARM9TDMI

EmbeddedICEamp JTAG





























processorcore

I-cacheI-MMU

page table entries

page table entries

instructions

virtualaddress

virtualaddress

loaddata

store

physicaladdress

physicaladdress

memoryaddress

memorydata

data



I-cache

rotsgn ex

+4

rotate

ALU amp multiply

I decode

register read+ disp

D-cache

fetch

instr uctiondecode

execute

bufferdata

write-back

forwardingpaths

immediatefrac14elds

branchtarget

branchof fset

nextpc

regshift

loadstoreaddress

LDR pc

SUBS pc

MOV pc

post-index

pre-index

LDMSTM

register write

r15

pc + 8

B BL

pc + 4

+4

mux

shift


















Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug



Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug












































Scheduling








PalmOSWindowsCE

RTOSesVxWorksQNX



OthersTinyOS








































Porting






























SRAM1M Byte

FLASH16M to 32MByte


BUFFER

PCMCIASocket 1


LED Display 8



PUSH ButtonSwitch 8

BUFFER

BUFFER

BUFFER

BUFFER

BUFFER


BUFFER

BUFFER




MMCSD Socket 1 SPI

IrDA Module 1 IrDA

Full UART Socket1

Bluetooth UART 1

Full UART

Bluetooth

USB Slave 1 UDC

BUFFER

TouchScreen64

ADS7846


I2C EEPROMNM24C16

GPIO

I2C

SDRAM100Mhz

PXA255-400Mhz

XScale Core

I2C BUSConnector 1

I2C

BUFFER


AC97 Inteface

MMCSD Socket 1




Peripheral Device


DescriptionItem





Interface



1 SlotCFPCMCIA


Peripheral device




MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module









A MB Aaddress

AMBAdata

inst

ruct

ions

data

data

add

ress

I add

ress

Protection Unitdata

cache


instructioncache

externalcoprocessor

interface

ARM9TDMI

EmbeddedICEamp JTAG





























processorcore

I-cacheI-MMU

page table entries

page table entries

instructions

virtualaddress

virtualaddress

loaddata

store

physicaladdress

physicaladdress

memoryaddress

memorydata

data



I-cache

rotsgn ex

+4

rotate

ALU amp multiply

I decode

register read+ disp

D-cache

fetch

instr uctiondecode

execute

bufferdata

write-back

forwardingpaths

immediatefrac14elds

branchtarget

branchof fset

nextpc

regshift

loadstoreaddress

LDR pc

SUBS pc

MOV pc

post-index

pre-index

LDMSTM

register write

r15

pc + 8

B BL

pc + 4

+4

mux

shift


















Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug



Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug












































Scheduling








PalmOSWindowsCE

RTOSesVxWorksQNX



OthersTinyOS








































Porting






























SRAM1M Byte

FLASH16M to 32MByte


BUFFER

PCMCIASocket 1


LED Display 8



PUSH ButtonSwitch 8

BUFFER

BUFFER

BUFFER

BUFFER

BUFFER


BUFFER

BUFFER




MMCSD Socket 1 SPI

IrDA Module 1 IrDA

Full UART Socket1

Bluetooth UART 1

Full UART

Bluetooth

USB Slave 1 UDC

BUFFER

TouchScreen64

ADS7846


I2C EEPROMNM24C16

GPIO

I2C

SDRAM100Mhz

PXA255-400Mhz

XScale Core

I2C BUSConnector 1

I2C

BUFFER


AC97 Inteface

MMCSD Socket 1




Peripheral Device


DescriptionItem





Interface



1 SlotCFPCMCIA


Peripheral device




MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module



































processorcore

I-cacheI-MMU

page table entries

page table entries

instructions

virtualaddress

virtualaddress

loaddata

store

physicaladdress

physicaladdress

memoryaddress

memorydata

data



I-cache

rotsgn ex

+4

rotate

ALU amp multiply

I decode

register read+ disp

D-cache

fetch

instr uctiondecode

execute

bufferdata

write-back

forwardingpaths

immediatefrac14elds

branchtarget

branchof fset

nextpc

regshift

loadstoreaddress

LDR pc

SUBS pc

MOV pc

post-index

pre-index

LDMSTM

register write

r15

pc + 8

B BL

pc + 4

+4

mux

shift


















Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug



Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug












































Scheduling








PalmOSWindowsCE

RTOSesVxWorksQNX



OthersTinyOS








































Porting






























SRAM1M Byte

FLASH16M to 32MByte


BUFFER

PCMCIASocket 1


LED Display 8



PUSH ButtonSwitch 8

BUFFER

BUFFER

BUFFER

BUFFER

BUFFER


BUFFER

BUFFER




MMCSD Socket 1 SPI

IrDA Module 1 IrDA

Full UART Socket1

Bluetooth UART 1

Full UART

Bluetooth

USB Slave 1 UDC

BUFFER

TouchScreen64

ADS7846


I2C EEPROMNM24C16

GPIO

I2C

SDRAM100Mhz

PXA255-400Mhz

XScale Core

I2C BUSConnector 1

I2C

BUFFER


AC97 Inteface

MMCSD Socket 1




Peripheral Device


DescriptionItem





Interface



1 SlotCFPCMCIA


Peripheral device




MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module









I-cache

rotsgn ex

+4

rotate

ALU amp multiply

I decode

register read+ disp

D-cache

fetch

instr uctiondecode

execute

bufferdata

write-back

forwardingpaths

immediatefrac14elds

branchtarget

branchof fset

nextpc

regshift

loadstoreaddress

LDR pc

SUBS pc

MOV pc

post-index

pre-index

LDMSTM

register write

r15

pc + 8

B BL

pc + 4

+4

mux

shift


















Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug



Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug












































Scheduling








PalmOSWindowsCE

RTOSesVxWorksQNX



OthersTinyOS








































Porting






























SRAM1M Byte

FLASH16M to 32MByte


BUFFER

PCMCIASocket 1


LED Display 8



PUSH ButtonSwitch 8

BUFFER

BUFFER

BUFFER

BUFFER

BUFFER


BUFFER

BUFFER




MMCSD Socket 1 SPI

IrDA Module 1 IrDA

Full UART Socket1

Bluetooth UART 1

Full UART

Bluetooth

USB Slave 1 UDC

BUFFER

TouchScreen64

ADS7846


I2C EEPROMNM24C16

GPIO

I2C

SDRAM100Mhz

PXA255-400Mhz

XScale Core

I2C BUSConnector 1

I2C

BUFFER


AC97 Inteface

MMCSD Socket 1




Peripheral Device


DescriptionItem





Interface



1 SlotCFPCMCIA


Peripheral device




MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module
























Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug



Core MemoryBus

FIQIRQ

CP0Multiplier

Accumulator




Data Cache32KBytes




CP15Config

Registers


RegistersRegisters

Mini D-Cache2KBytes


MMUMMUMMU

InstructionCache

32KBytes




CoreCore

InterruptRequest

DataAddress

Data

Instruction



CP14Debug

Management

CP14CP14DebugDebug












































Scheduling








PalmOSWindowsCE

RTOSesVxWorksQNX



OthersTinyOS








































Porting






























SRAM1M Byte

FLASH16M to 32MByte


BUFFER

PCMCIASocket 1


LED Display 8



PUSH ButtonSwitch 8

BUFFER

BUFFER

BUFFER

BUFFER

BUFFER


BUFFER

BUFFER




MMCSD Socket 1 SPI

IrDA Module 1 IrDA

Full UART Socket1

Bluetooth UART 1

Full UART

Bluetooth

USB Slave 1 UDC

BUFFER

TouchScreen64

ADS7846


I2C EEPROMNM24C16

GPIO

I2C

SDRAM100Mhz

PXA255-400Mhz

XScale Core

I2C BUSConnector 1

I2C

BUFFER


AC97 Inteface

MMCSD Socket 1




Peripheral Device


DescriptionItem





Interface



1 SlotCFPCMCIA


Peripheral device




MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module

















































Scheduling








PalmOSWindowsCE

RTOSesVxWorksQNX



OthersTinyOS








































Porting






























SRAM1M Byte

FLASH16M to 32MByte


BUFFER

PCMCIASocket 1


LED Display 8



PUSH ButtonSwitch 8

BUFFER

BUFFER

BUFFER

BUFFER

BUFFER


BUFFER

BUFFER




MMCSD Socket 1 SPI

IrDA Module 1 IrDA

Full UART Socket1

Bluetooth UART 1

Full UART

Bluetooth

USB Slave 1 UDC

BUFFER

TouchScreen64

ADS7846


I2C EEPROMNM24C16

GPIO

I2C

SDRAM100Mhz

PXA255-400Mhz

XScale Core

I2C BUSConnector 1

I2C

BUFFER


AC97 Inteface

MMCSD Socket 1




Peripheral Device


DescriptionItem





Interface



1 SlotCFPCMCIA


Peripheral device




MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module














PalmOSWindowsCE

RTOSesVxWorksQNX



OthersTinyOS








































Porting






























SRAM1M Byte

FLASH16M to 32MByte


BUFFER

PCMCIASocket 1


LED Display 8



PUSH ButtonSwitch 8

BUFFER

BUFFER

BUFFER

BUFFER

BUFFER


BUFFER

BUFFER




MMCSD Socket 1 SPI

IrDA Module 1 IrDA

Full UART Socket1

Bluetooth UART 1

Full UART

Bluetooth

USB Slave 1 UDC

BUFFER

TouchScreen64

ADS7846


I2C EEPROMNM24C16

GPIO

I2C

SDRAM100Mhz

PXA255-400Mhz

XScale Core

I2C BUSConnector 1

I2C

BUFFER


AC97 Inteface

MMCSD Socket 1




Peripheral Device


DescriptionItem





Interface



1 SlotCFPCMCIA


Peripheral device




MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module














































Porting






























SRAM1M Byte

FLASH16M to 32MByte


BUFFER

PCMCIASocket 1


LED Display 8



PUSH ButtonSwitch 8

BUFFER

BUFFER

BUFFER

BUFFER

BUFFER


BUFFER

BUFFER




MMCSD Socket 1 SPI

IrDA Module 1 IrDA

Full UART Socket1

Bluetooth UART 1

Full UART

Bluetooth

USB Slave 1 UDC

BUFFER

TouchScreen64

ADS7846


I2C EEPROMNM24C16

GPIO

I2C

SDRAM100Mhz

PXA255-400Mhz

XScale Core

I2C BUSConnector 1

I2C

BUFFER


AC97 Inteface

MMCSD Socket 1




Peripheral Device


DescriptionItem





Interface



1 SlotCFPCMCIA


Peripheral device




MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module




































SRAM1M Byte

FLASH16M to 32MByte


BUFFER

PCMCIASocket 1


LED Display 8



PUSH ButtonSwitch 8

BUFFER

BUFFER

BUFFER

BUFFER

BUFFER


BUFFER

BUFFER




MMCSD Socket 1 SPI

IrDA Module 1 IrDA

Full UART Socket1

Bluetooth UART 1

Full UART

Bluetooth

USB Slave 1 UDC

BUFFER

TouchScreen64

ADS7846


I2C EEPROMNM24C16

GPIO

I2C

SDRAM100Mhz

PXA255-400Mhz

XScale Core

I2C BUSConnector 1

I2C

BUFFER


AC97 Inteface

MMCSD Socket 1




Peripheral Device


DescriptionItem





Interface



1 SlotCFPCMCIA


Peripheral device




MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module










Peripheral Device


DescriptionItem





Interface



1 SlotCFPCMCIA


Peripheral device




MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module











Interface



1 SlotCFPCMCIA


Peripheral device




MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module









MMU

PXA250 Core

PXA255

GP[270]

D[310]A[310]

GPIOGPIO Registers

GP[270]

Bridge


ICIPICMRICLR

ICCRICFP

FIQ IRQ

DMADMARegisters

LCD Controller

ADS 7843



SDRAS

WESDCAS

DQM[30]

MDCNFGMDCAS00MDREFR

LCD CON


LCDControlRegisters

DCLKCSDINBUSY

PENIRQDOUT

GP4

GP5GP26

X+X-

Y-Y+

Inverter Power

L-BIAS


GP23

E-PORT0 7





MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module









MMU

PXA255 Core

FTUARTBTUART

D[310]

A[310]

PXA255

UTCR0

UTCR1

UTCR2

DB9

UTCR3

DTDR

UTSR0

UTSR1

USB

UDCCR

UDCAR

UDCOMP

UDCCS2

UDCD0

UDCWCFIQ IRQ

USB CON

R

R

R

R

RFIQ IRQ


ICIP

ICMR

ICLR

ICCR

ICFP

FIQ IRQ

Bridge

TX1RX1

TX3RX3

DMA

DMARegisters

Memory Controller


D-

473K

15K

274

UDCIMP

UDCCS0

UDCCS1

UDCDR

UDCSR

RS-232

































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module






































PXA25532MFlash


64MSDRAM

LCD

PCMCIA

USB Host

EthernetIrDA

CF Interface

RTC

Audio inoutRS-232

8 Keys

LED

Power

SWJTAG Interface


Reset

MMC

USB Client
















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module






















MP4

DVD



GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module









GPS navigation

PDA






PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module












PCMCIA Card Module

GSMGPRSGPS Module

Bluetooth Module

CF Module







chapter 1 · 2008-03-04 · 1.2.1 introduction the core component of embedded system is varied...

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