Name of Subject  : MICROPROCESSOR AND INTERFACES  ( 4 IT 1)

Unit

Contents

Introduction to Micro Computer Systems: Microprocessors, microcontroller and microcomputer devices, Machine

I

and assembly language, Bus concept. Architecture & Pinout of 8085A.

Assembly Language and Programming in 8085: Instruction set, Program structures (sequential, conditional,

II

iterative), Macros and subroutines, Stack, Counter and timing delay, interrupt structure and its programming.

Peripherals and their interfacing with 8085-I: Memory Interfacing, Interfacing I/O ports, Data transfer schemes

III

(Synchronous, asynchronous, interrupt driven), Architecture & interfacing of PPI 8255, Data Converters and Timer

8254.

Peripherals and their interfacing with 8085-II: Architecture & interfacing of- DMA controller 8257, interrupt

IV

Controller 8259A, USART 8251, Level Converters MC 1488 and MC 1489, Current loop, RS 232 C and RS 422 A.

Comparative study of 8085 A, 8086 and 8088 (Pinout, internal architecture, timing diagrams), Instruction format

V