topic01a introduction to microprocessors and micro controller part 1

7/29/2019 Topic01A Introduction to Microprocessors and Micro Controller Part 1

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Introduction to Microprocessors

& Micro-controllers 1A

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What are microprocessors?What defines a microprocessor.

A microprocessor is a single element having theability to perform a wide variety of functions.

A microprocessor is a complex digital circuit whichis controlled by a set of instructions.

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What are microprocessors?What defines a microprocessor.

A microprocessor can be considered as hardwareunder the control of software.

The processor consists of hard wired components(functional blocks) which are controlled by

software.

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What are microprocessors?The differences between microprocessors and micro-controllers

CentralProcessing

Unit

Memory(RAM/ROM)

I/O

Data Bus

Control Bus

Address Bus

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A Brief History of Microprocessors

350

million BC

Countingdeveloped

1000

BC

500

BC

1000

BC

Abacusdeveloped

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PascalsMechanical Digital

Calculator

1500

AD

Da Vinci'sMechanicalCalculator

1700

AD

1600

AD

NapierBones

Slide RuleInvented


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HollerithsTabulator

1800

AD

Punch Cards usedto automate aweaving loom.

1900

AD

Augusta Adasuggests the binarysystem for storage.

George Booleinvents Boolean

Logic

Charles Babbageworks on the

difference engine

First commercialtype writer

released


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1900

AD

Vacuum Tubeinvented

1941

AD

First electronicdigital computer

First programmablecomputer (Z3)

Teleprintersinvented

Remotecomputing

demonstrated


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1947

AD

TransistorInvented

1955

AD

UNIVAC inventedFirst computer

generatedmusic

ENIAC developedUNIVAC compiler

created


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1957

AD

First IntegratedCircuit

1965

AD

First IBM mainframe(System/360)

IBM developsfirst wordprocessor

FORTRANdeveloped

First Computerdrawing program


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1970

AD

Intel 4004 isreleased

2003

AD

Motorola releasesthe 6800

microprocessorMotorola Splits

Intel's 1K RAMchip

Space Invadersreleased


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Uses of microcontrollersApplications of microcontrollers

In the Home

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In the Home (continued)

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At Work

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At Work (continued)

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At Work (continued)

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At Play

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Uses of microcontrollersThe modern trends of microcontrollers

Greater Memory Capacity

More On-Chip Peripherals Smaller footprint

Lower Power Consumption

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Microprocessors:

Cheap

Flexible

Multipurpose / General

ASIC

Custom Design

Expensive $$$

FPGA Cheap

Custom Design

Slowish

Types of microcontrollersWhat the future holds for microcontrollers

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The Adapt9S12X

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The Adapt9S12X

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The Adapt9S12X

H1 HeaderCable

H2 HeaderCable

PrimarySerial Cable

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The Adapt9S12XH1 and H2 Header Cables

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The Adapt9S12X

CAN Port

CAN PortAuxiliary

Serial Port

ResetButton Load / Run

Switch

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MC9S12XDP512Key Features

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MC9S12XDP512


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MC9S12XDP512GPIO

8 Bit GPIO Ports:The MC9S12XDP512 contains 12

Parallel Ports, these are: Port A

Port B

Port J Port K

Port M

Port S

Port T

Port P

Port H

Port E

Port AD0

Port AD1

All accessible through the headers

H1 and H2 on the Adapt9S12X.

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MC9S12XDP512


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MC9S12XDP512Serial

Six Asynchronous SerialPorts (RS232 compatible )

Three Serial PeripheralInterfaces (SPI)

One I2C interface

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MC9S12XDP512


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MC9S12XDP512Analog

Analogue to DigitalConversion:

Two A/D subsystems, eachwith the following

Eight multiplexed inputchannels.

10 bit successiveapproximation A/D

converter. Accessible through Port

AD0 and AD1.

Programmable fixedduration sampling

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MC9S12XDP512


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MC9S12XDP512Timer

Timer Subsystem:

A timer overflow system A Watchdog Timer

Input / Output CaptureCompare

Pulse Width Modulator

Real-time interrupt PLL (for speeds up to 40MHz)

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MC9S12XDP512


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MC9S12XDP512Memory

Memory:On-chip memory includes:

32K SRAM (paged)

4K EEPROM

512K FLASH (paged)

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Need Further


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Need Further

Assistance?

Ask your Demonstrator,

Post a question on the Forum, Email the Convener, or

Make an appointment.

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