(a) Draw and explain the block diagram of 8254 software programmable…

Question

(a) Draw and explain the block diagram of 8254 software programmable timer. Explain how the GATE input controls its operation in any two modes of operation. (10)

(b) Design a memory system for 8085 such that it should contain 2KB of EPROM and 2 KB of RAM with starting address 0000H and 6000H. (10)