JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY 
HYDERABAD 
III Year B.Tech. CSE -I Sem T P C 
4+1* 0 4 
MICROPROCESSORS AND INTERFACING 

UNIT-I 
An over view of 8085, Architecture of 8086 Microprocessor. Special functions of General purpose 
registers. 8086 flag register and function of 8086 Flags. Addressing modes of 8086. Instruction set of 
8086. Assembler directives, simple programs, procedures, and macros. 

UNIT-II 
Assembly language programs involving logical, Branch & Call instructions, sorting, evaluation of 
arithmetic expressions, string manipulation. 

UNIT-III 
Pin diagram of 8086-Minimum mode and maximum mode of operation. Timing diagram. Memory 
interfacing to 8086 (Static RAM & EPROM). Need for DMA. DMA data transfer Method. Interfacing with 
8237/8257. 

UNIT-IV 
8255 PPI – various modes of operation and interfacing to 8086. Interfacing Keyboard, Displays, 8279 
Stepper Motor and actuators. D/A and A/D converter interfacing. 

UNIT-V 
Interrupt structure of 8086. Vector interrupt table. Interrupt service routines. Introduction to DOS and 
BIOS interrupts. 8259 PIC Architecture and interfacing cascading of interrupt controller and its 
importance. 

UNIT-VI 
Serial data transfer schemes. Asynchronous and Synchronous data transfer schemes. 8251 USART 
architecture and interfacing. TTL to RS 232C and RS232C to TTL conversion. Sample program of serial 
data transfer. Introduction to High-speed serial communications standards, USB. 

UNIT-VII 
Advanced Micro Processors - Introduction to 80286, Salient Features of 80386, Real and Protected 
Mode Segmentation & Paging, Salient Features of Pentium, Branch Prediction, Overview of RISC 
Processors. 

UNIT-VIII 
8051 Microcontroller Architecture, Register set of 8051, Modes of timer operation, Serial port operation, 
Interrupt structure of 8051, Memory and I/O interfacing of 8051. 

TEXT BOOKS : 
1. Advanced microprocessor and Peripherals - A.K.Ray and K.M.Bhurchandi, TMH, 2000. 
2. Micro Controllers – Deshmukh, Tata McGraw Hill Edition. 

REFERENCES : 
1. Micro Processors & Interfacing – Douglas U. Hall, 2007. 
2. The 8088 and 8086 Micro Processors – PHI, 4th Edition, 2003. 
3. Micro Computer System 8086/8088 Family Architecture, Programming and Design - By Liu and 
GA Gibson, PHI, 2nd Ed.,

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    Aug 11, 2013
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