ECP2036 Microprocessor and Interfacing

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Presentation transcript:

ECP2036 Microprocessor and Interfacing What is Computer ? Data Processing Computer Data Storage ECP2036 Microprocessor and Interfacing

Major Components of a Computer MEMORY I/O SYSTEM BUS CPU ECP2036 Microprocessor and Interfacing

What is Microprocessor ? CPU ECP2036 Microprocessor and Interfacing

ECP2036 Microprocessor and Interfacing Past Microprocessors ... 1971 - Intel 4004, 1st single chip CPU, 4-bit processor 1972 - Intel 4040, enhanced 4004, 60 instructions 1972 - Intel 8008, 8-bit P 1972 - Texas Instrument TMS 1000, 1st single C, 4-bit 1974 - Intel 8080, successor to the 8008, used in Altair 8800 1975 - Motorola 6800, used MOS technology 1976 - Intel 8085, updated 8080, +5V power supply 1976 - Zilog Z80, improved 8080 1976 - TI TMS 9900, 1st 16-bit P 1978 - Zilog Z8000, Motorola 68000, 16-bit P 1978 - Intel 8086, 16-bit, IBM’s choice... ECP2036 Microprocessor and Interfacing

What is Microcontroller ? CPU MEMORY I/O SYSTEM BUS ECP2036 Microprocessor and Interfacing

Past Microcontrollers ... 1972 - Texas Instrument TMS 1000, 1st single C, 4-bit 1976 - Intel 8048, 8-bit C, 1k ROM, 64b RAM, 27 I/O 1980 - Intel 8051, 4k ROM, 128b RAM, 32 I/O, 2 16-bits timers 1980s (MCS-51 family) - Intel 8031, 8052, 8751, … - Atmel AT89C51, AT 89C1052/2051,… - Dallas Semiconductor DS5000 series… - Philips, National Semiconductor, ... (Other Cs) Microchip PIC16 series, Motorola 68HC11, Zilog’s Z86 ECP2036 Microprocessor and Interfacing

General Structure of a C Serial Interface Parallel I/O Interrupt Control CPU Internal address, data, & control buses RAM ROM Memory Timers/ Counters ECP2036 Microprocessor and Interfacing

Major 8-bit Micro-controllers  Intel 8051  Motorola 68HC11  Zilog Z86  Microchip PIC16XX ECP2036 Microprocessor and Interfacing

Microprocessor System Vs Microcontroller System CPU General purpose Micro processor Data Bus Address Bus RAM ROM I / O Port Timer Serial COM General-Purpose Microprocessor System Microcontroller ECP2036 Microprocessor and Interfacing

Microprocessor System Vs Microcontroller System ECP2036 Microprocessor and Interfacing

What is CPU ? The Central Processing Unit (or P) Control Unit & Instruction Decoder Arithmetic/Logic Unit Registers ECP2036 Microprocessor and Interfacing

To synchronize and control the overall operation of the P system Control Unit & Instruction Decoder Arithmetic/Logic Unit To decode instruction and pass the necessary control signals to CU Registers ECP2036 Microprocessor and Interfacing

To perform the arithmetic and logical operations within the CPU Control Unit & Instruction Decoder Arithmetic/Logic Unit Registers To perform shift and rotate operations that may either be arithmetic or logical in nature ECP2036 Microprocessor and Interfacing

Control and Status Registers User-Variable Registers Control Unit & Instruction Decoder A set of internal storage locations within the CPU Arithmetic/Logic Unit Registers ECP2036 Microprocessor and Interfacing