PARIPPALLY, KOLLAM
DEPARTMENT OF ECE
S4 ECE
ECT206 COMPUTER ARCHITECTURE AND MICROCONTROLLERS
ASSIGNMENT 3
PART A (3 MARKS)
1. Explain the procedure of doubling the baud rate of data transfer in 8051 serial
communication.
2. Assume XTAL=11.0592. Compute the value to be loaded into TH0 and TL0
(mode 1) to incorporate a time delay of 5ms.
3. What is the difference between a Timer and Counter? Explain the format of SCON
Special Function Register.
PART B
1. Explain the characteristics and operations of mode 1 programming of Timers in
8051 microcontroller. (6)
2. Explain the steps to transfer data serially in 8051. Write an 8051 assembly
language program to transfer ‘Y’ serially at baud rate 9600 continuously through
Port 0. (8)
3. Explain ARM 7 register architecture. (8)
4. Explain the operation of a) Assembler b) compiler c) Debugger (6)
5. Write an ALP to generate a square wave of frequency 100KHz on pin P1.0, using
Timer 1 operating in mode 0. Assume Crystal frequency 11.0592 MHz (7)
6. Explain various System software. (8)