JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
III Year B.Tech. EEE -II Sem
T/ /P/D C
MICROPROCESSORS AND INTERFACING DEVICES
UNIT – I
Introduction to 8085 microprocessor, 8086 architecture- Functional Diagram, Register Organization,
Memory segmentation, Memory addresses, physical memory organization, Signal descriptions of 8086common function signals, Minimum and Maximum mode signals, Read Write cycles, Timing diagrams,
Interrupt structure of 8086.
UNIT – II
ASSEMBLY LANGUAGE PROGRAMMING OF 8086:
Instruction formats, addressing modes, instruction set, assembler directives, macros, Simple programs
involving logical, branch and call instructions, Sorting, evaluating arithmetic expressions, string
UNIT – III
PERIPHERAL INTERFACING WITH 8086 MICROPROCESSOR:
8255 PPI, Keyboard, display controllers, Stepper motor, A/D & D/A Converter Interfacing with 8086
Static and Dynamic memories, Vector interrupt table, Interrupt service routine, Introduction to DOS &
BIOS interrupts, Programmable Interrupt Controller 8259, DMA controller 8257 Interfacing with 8086
UNIT – IV
Serial communication standards, serial data transfer schemes, 8251 USART architecture and Interfacing,
RS-232, IEEE-488, prototyping and trouble shooting.
UNIT – V
INTRODUCTION TO MICROCONTROLLERS:
Overview of 8051 microcontroller, Architecture, I/O ports and Memory organization, addressing modes
and instruction set of 8051, Simple programs.