What is the purpose of EA pin in 8051 Microcontroller?
[3 marks]Draw clock circuit of 8051 microcontroller.
[4 marks]Explain difference between Microprocessor and Microcontroller.
[7 marks]Explain how stack is implemented in 8051
[3 marks]What is the function of ALE signal?
[4 marks]Write an assembly language program to convert two ASCII value to packed BCD number for 8051 controller.
[7 marks]Explain the memory organization in 8051
[7 marks]Mention the differences between RET and RETI instructions
[3 marks]List out the directives of 8051 Microcontroller.
[4 marks]Explain the different addressing modes of 8051. Give an example for each one of them
[7 marks]Write an ALP to find square root of a numbers and store in R0
[3 marks]Find the sum of values 80H, F4H, E0H put the sum in R0 and R5
[4 marks]Explain the different jump instruction in 8051.
[7 marks]List two instructions related with external memory
[3 marks]Explain IE and IP register formats
[4 marks]Draw and explain interfacing of 4x4 matrix keyboard with 8051 microcontrollers. Write program to read switch
[7 marks]Develop ALP to multiply two 8-bit numbers stored at 20h and 24h in internal RAM. Store result in 21h and 22h.
[3 marks]Develop ALP to find largest number out of ten number stored in internal RAM locations 41H onwards, store the result at 51H.
[4 marks]Draw and explain interfacing diagram of DAC with 8051 microcontrollers. Write program to generate sine wave at the output of DAC.
[7 marks]List out the data types used in Cprogramming.
[3 marks]Describe TCON register with its format.
[4 marks]Draw and explain interfacing diagram of stepper motor with 8051 microcontrollers.
[7 marks]Explain the format of SCON register in details
[3 marks]Explain the different steps to receive data serially using 8051
[4 marks]Draw and explain interfacing of LCD with 8051 microcontrollers. Write a program to display “Biomedical” on LCD.
[7 marks]