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