Microprocessors and Microcontollers - 1 (MPMC) Semester 5 (3 Hours) May 2013

Microprocessors and Microcontollers - 1 (MPMC) Semester 5 (3 Hours) May 2013
GS-8901 [Total Marks : 100]
N.B. :	(1)	Question No. 1 is compulsory.
	(2)	Solve any four questions out of remaining six questions.
1.	(a)	Explain difference between microprocessor and microcontroller.	05
	(b)	Interface 32KB SRAM using 8 K x 8 devices and 64KB EPROM using 16K x 8 devices for 8085 based microprocessor system.	15
2.	(a)	Draw and explain architecture of 8085 microprocessor.	10
	(b)	Write a program for 8085 microprocessor to exchange memory block.	10
3.	(a)	Draw and explain interrupt acknowledge machine cycle for 8085 microprocessor.	10
	(b)	Explain bit level instruction for 8051 microcpntroller.	10
4.	(a)	Explain ICW and OCW of 8259 PIC.	10
	(b)	Explain serial data transfer modes for 8051 microcontroller.	10
5.	(a)	Explain internal memory organization of 8051 microcontroller.	10
	(b)	Write assembly level program for 8051 microcontroller to generate 1 KHz square wave on P 1.1. Assembly crystal frequencies 12MHz.	10
6.	(a)	Draw and explain interrupt structure8085 microprocessor.	10
	(b)	Explain following instruction of ARM :      (i) ADD R0, R1, R2      (ii) SBC R0, R1, R2      (iii) CMP R0, R1,      (iv) MUL R3, R2,R1      (v) MLA R4, R3,R7, R8	10
7.	(a)	Explain control word of 8253 Timer.	05
	(b)	Compare features of 89C51, 89C52, 89C2051, 89C2052.	10
	(c)	Draw and explain interfacing of stepper with 8051 microcontroller.	05