Discuss (1) EEPROM (2) DRAM
[3 marks]Draw the block diagram of microcontroller 8051.
[4 marks]Why delay are required during programming and how they are generated?
[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]State important criterion for the selection of microcontroller.
[3 marks]Explain Instructions: LJMP, XCHD, CJNE, and NOP.
[4 marks]Write a program to generate an output as a square wave with a frequency of 50 Hz at P2.2 pin of 8051. Assume that the crystal frequency is 12MHz.
[7 marks]Explain TMOD register.
[3 marks]Define instruction cycle, machine cycle & T-state.
[4 marks]Write a program to Toggle all the LEDs ON and OFF (Blinking LEDs) with a frequency of 01 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]Explain any two logical instructions of 8051 microcontroller.
[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]Explain interfacing of 7-segment display with 8051 microcontroller.
[7 marks]Explain the Interfacing of LED with 8051.
[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.
[7 marks]What is a subroutine in 8051? Explain in brief with a suitable short example.
[3 marks]Compare vectored & non-vectored interrupts for 8051 microcontroller.
[4 marks]Draw internal architecture of 8051 microcontroller. Discuss function of each block in detail.
[7 marks]