Compare Van Neumann and Harvard Architecture.
[3 marks]What is the function of following pins in 8085: TRAP & HLDA
[4 marks]Draw and explain timing diagram for instruction MOV A, C.
[7 marks]With the help of PSW register, explain bank switching in 8051.
[3 marks]Illustrate execution of PUSH and POP instruction for 8051 µc.
[4 marks]Explain RAM structure of 8051 in detail.
[7 marks]Draw & explain physical structure of port 0.
[7 marks]Differentiate between RET & RETI, SJMP & LJMP instruction in 8051.
[3 marks]Discuss various addressing modes of 8051 microcontroller assembly language programming.
[4 marks]Write an Assembly language program to find number of 1’s and 0’s from a given 8 bit data.
[7 marks]Differentiate between MOVX & MOVC instructions
[3 marks]List different modes of Timers and show bit structure of TMOD and TCON register.
[4 marks]Draw Timer 1 hardware and explain mode 2 operation of Timer 1
[7 marks]Explain how priorities of interrupts can be set & changed in 8051
[3 marks]What will be effect of following instructions? (i) SETB 8EH (ii) MOV TMOD, #11010101B
[4 marks]Write an 8051 µc ‘C’ program to toggle all the bits of P0 and P2 continuously with a 150 ms delay.
[7 marks]Explain IE and IP register in brief
[3 marks]How baud rate can be set in 8051 microcontroller for serial communication?
[4 marks]Write a short note on interrupts available in 8051.
[7 marks]Explain editor, assembler, compiler and linker.
[3 marks]List the Cdata types available in 8051.
[4 marks]Discuss how the speed and direction of DC motor can be controlled using microcontroller.
[7 marks]Explain the special function register SCON
[3 marks]Draw the interfacing of 8 KB data ROM with 8051
[4 marks]Draw & explain interfacing of seven segment LED display with 8051
[7 marks]