With neat diagram explain PSW register.
[3 marks]Draw the block diagram of microcontroller 8051.
[4 marks]Explain importance of PSW register with its each bit significance.
[7 marks]Define bits of SCON & TCON registers.
[3 marks]Define the terms: address bus, data bus and control bus.
[4 marks]Explain SFR (Special Function Register) and PSW (Program Status Word).
[7 marks]Write a program to generate a control signal on P 0.5 to operate a buck converter at 1kHz with 25% duty cycle. Assume crystal frequency of 12MHz.
[7 marks]State important criterion for the selection of microcontroller.
[3 marks]Explain difference between ADD and ADDC instructions.
[4 marks]Write a program to generate an output as a square wave with a frequency of 5 Hz at P2.2 pin of 8051. Assume that the crystal frequency is 12MHz.
[7 marks]Give comparison of microcontroller and microprocessor.
[3 marks]Explain MUL instruction with example.
[4 marks]Write a program to Toggle all the LEDs ON and OFF (Blinking LEDs) with a frequency of 10 Hz that are connected to PORT 01 of the 8051 Microcontroller. Take crystal frequency of 12 Mhz.
[7 marks]What is the function of interrupts in 8051? List various interrupts available in 8051.
[3 marks]Why delay are required in programming?
[4 marks]Explain different addressing modes of 8051 with example.
[7 marks]What do you mean by stack? Explain in brief w.r.t 8051.
[3 marks]Write a brief note on DAC.
[4 marks]Draw internal block diagram of 8051. State 8051 pins used while interfacing with external program memory.
[7 marks]What is assembler directive? State any 3 assembler directives.
[3 marks]State the similarities and differences between following instructions. ADD A, R1 and ADD A, @R1
[4 marks]State various types of Jump and Loop instructions. Explain any three with examples.1
[7 marks]Draw schematic diagram of 4 to 1 multiplexer.
[3 marks]Explain any two arithmetic instruction of 8051.
[4 marks]Draw internal architecture of 8051 microcontroller. Discuss function of each block in detail.
[7 marks]