Give difference between Microprocessor and Microcontroller.
[3 marks]Explain Internal Memory organization of 8051.
[4 marks]Explain various loops and compare them with jump instruction.
[7 marks]Draw Pin diagram of 8051.
[3 marks]Draw and explain Reset circuit of 8051.
[4 marks]Explain all addressing modes of 8051.
[7 marks]Draw and Explain architecture of 8051.
[7 marks]Explain operations of Stack.
[3 marks]Explain arithmetic instructions.
[4 marks]List down all the interrupts of 8051. Explain its handling with example.
[7 marks]Explain PSW of 8051.
[3 marks]Explain TMOD and TCON.
[4 marks]Draw and explain PORT1’s internal design.
[7 marks]Explain in detail auto-reload mode of 8051 timers with necessary diagram.
[3 marks]Explain the following instructions with example: (1) SWAP A (2) XCHD A, @Ri,, (3) INC @Ri, (4) JBC bit, target
[4 marks]Write an 8051 Cprogram to transfer the message ‘SEM5’ serially at 9600 baud.
[7 marks]Draw circuit to interface external 4K RAM memory with 8051.
[3 marks]Double the number in register R2, and put the result in R3 (high byte) and R4 (low byte) without using instructions ADD, MUL.
[4 marks]Draw and explain 4×4 matrix keyboard interfacing to the ports of 8051.
[7 marks]Draw interfacing diagram of ADC0804 with 8051.
[3 marks]List the factors to be considered for selection of microcontroller.
[4 marks]Write an assembly program to interface Stepper motor with 8051.
[7 marks]Give specifications of AT89C51 microcontroller.
[3 marks]Write an assembly program to rotate data between R0 to R4 without using Exchange instruction.
[4 marks]Design 8051 connection to LCD. Write commands to display the message ‘BM- GECG’
[7 marks]