1 xsbase255. 2 agenda intel xscale processor xscale pxa255 embedded platform embedded os application...
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XSBase255
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Agenda
Intel XScale Processor XScale PXA255 Embedded platform Embedded OS Application of Embedded System
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Agenda
Intel XScale Processor XScale PXA255 Embedded platform Embedded OS Application of Embedded System
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Intel PXA255 Processor Features
ARM* Architecture Version 5TE ISA compliant. — ARM* Thumb Instruction Support — ARM* DSP Enhanced Instructions Low power consumption and high performance Intel® Media Processing Technology — Enhanced 16-bit Multiply — 40-bit Accumulator 32-KByte Instruction Cache 32-KByte Data Cache Instruction and Data Memory Management Units Branch Target Buffer Debug Capability via JTAG Port
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PXA255 Block Diagram
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LCD Controller
Supports DSTN or TFT Display sizes up to 1024x1024 pixels, reco
mmended maximum of 640x480x16-bit/pixel
up to 65536 colors
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Memory Interface
100 MHz SDRAM at 3.3 V --supports four 16 and 32 bit wide SDRAM partit
ions --Each partition is allocated 64 Mbytes 100 MHz SDRAM at 2.5 V SRAM Flash PCMCIA expansion memory Compact Flash
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Clock Manager
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AC’97
supports the AC’97 revision 2.0. Independent channels for stereo Pulse Co
de Modulated (PCM) In, Stereo PCM Out and and mono mic-in.
support only 16-bit samples in hardware. sampling frequency of 48 kHz.
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MultiMediaCard Controller
The System Specification Version 2.1 Data transfer rates up to 20 Mbps
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Low Power consumption
Less than 500 mW Typical Internal Dissipation
Supply Voltage may be Reduced to 1.00 V Low Power/Sleep Modes
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Agenda
Intel XScale Processor XScale PXA255 Embedded platform Embedded OS Application of Embedded System
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PlatformPXA255 400MHz 32Mflash 120pin Expension Area
64MSDRAM
LCD
Pcmcia interface
USB
Ethernet
IrDA
CF interface
RTC
Audio in/out RS-232 8 Keys
LED
PowerOn/off
JTAG interface
Touch Pannel
Reset
MMC
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Architecture
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Option Modules
FPGA ModuleFPGA ModuleIDE ModuleIDE Module
PCMCIA Card ModulePCMCIA Card ModuleGSM/GPRS/GPS ModuleGSM/GPRS/GPS Module
Bluetooth ModuleBluetooth Module
CF ModuleCF Module
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Bluetooth
Bluetooth Spec. v1.1 Support Piconet, up to 7 Slaves Full Speed Bluetooth, 723K/57.6Kbps USB 1.1 and UART Host Interface Low Voltage Power Supply, 2.7V to 3.6V Built-in 8Mbit Flash Memory
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Bluetooth
Applications PCs, PDAs Computer Accessories (CF Cards, USB Dongles
PCMCIA, RS232 Adaptors, etc.) Mouse, Keyboard, Joysticks Cordless Phone FAX, Printer Adaptors Digital Camera
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GSM Module
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GSM/GPRS Module
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GSM/GPRS Module
MC35i 是 Siemens 公司推出的新一代無線通信 GSM 模組,可以快速安全可靠地實現系統方案中的資料、語音傳輸、短訊息服務 (Short Message Service) 和傳真。模組的工作電壓為 3.3 - 5.5V ,可以工作在 900MHz 和 1800MHz 兩個頻段,所在頻段功耗分別為 2W ( 900M )和 1W( 1800M )。
MC35i 模組主要由 GSM 基帶處理器、 GSM 射頻模組、供電模組 (ASIC) 、快閃記憶體、 ZIF 連接器、天線介面六部分組成。作為 MC35i 的核心,基帶處理器主要處理GSM 終端內的語音、資料信號,並涵蓋了蜂窩射頻設備中的所有的類比和數位功能。在不需要額外硬體電路的前提下,可支援 FR 、 HR 和 EFR 語音通道編碼。
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GSMSIEMENS 電話 AT命令集
ATA 接電話 ATH 掛斷電話 ATD13798463411 ; 撥打電話 AT+CLIP=1 開啟來電顯示功能
SIEMENS 短消息 AT命令集
AT+CNMI=3,1 新消息提示 AT+CMGL=”ALL” 查看所有短消息內容 AT+CMGF=1 選擇訊息格式( 0 為 PDU 格式, 1 為 TEXT 格式) AT+CMGS=13798463411 發送訊息(發送訊息時同時按 Ctrl+Z )
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Agenda
Intel XScale Processor XScale PXA255 Embedded platform Embedded OS Application of Embedded System
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Embedded OS
Linux
MiniGUI 、 MicroWindows 、 Tiny X and Qt/Embedded etc.
Microsoft WinCE
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Embedded OS
Tiny-X
Tiny-X 是 Kdriver Tiny X server 縮寫,它的目的是在小容量記憶體下運作
X86 CPU 上的 Tiny-X Server 接近 1MB 。 Xfree86 4.2.0 ftp://ftp.xfree86.org/pub.Xfree86
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Embedded OS
Microsoft WinCE 4.2
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Application of XScale Processor
PDA
SmartPhone
GPS/GIS
Handheld and Handset ComponentsHandheld and Handset Components
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web reference
http://www.delphiresearch.com Local Service Provider http://www.embeddedlinuxjournal.com Embedded Magazine http://www.embedded-linux.org Embedded Trade Association http://www.ibm.com Tool Developer http://www.lineo.com Distribution http://www.linux.org Linux Association http://www.linuxdevices.com Embedded Magazine http://www.lynuxworks.com Distribution http://www.microcross.com Tool Developer http://www.mvista.com Distribution http://www.oncoresystems.com RTOS http://www.redhat.com Service Provider http://www.sleepycat.com Embedded Database http://www.trolltech.com Tool Developer http://www.nsa.gov/selinux Secure Linux from NSA
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THE END