Biju Patnaik University of Technology 2007-5th Sem B.Tech Computer Science and Engineering MICROPROCESSOR AND MICROCONTROLLER CLASS TEST-2 - Question Paper

MICROPROCESSOR AND MICROCONTROLLER 5TH SEM CLASS TEST-2 MAX. MARKS-10
ans any 2 ques.. All ques. carry equal marks.

1.Explain the register organization of 8085 with a neat circuit diagram.
2.Write 3 various programs in 8085 to substract 2 8-bit numbers using
a)Immediate Addressing Mode
b)Direct Addressing Mode
c)Indirect Addressing Mode
3.Draw and discuss the timing diagram for STA 4600H stored at memory location 90FFH.
4.It is desired to interface 32KB RAM to 8085 Microprocessor. Design the interfacing circuitusing memory mapped I/O scheme using 6264 chips.

Earning:   Approval pending.