PST
questions:
1. List the ports available in 8051.
State alternate functions of port 3
2. Draw the structure of Port 0 and
explain its operations in input mode
3. Draw the pin diagram of 8051 and
state function of each pin
4. Write a program in C language to
transfer the message “WELCOME” serially at 9600 baud rate, 8 bit data, 1 start
bit and 1 stop bit
5. List the sequence of events that
take place while executing an interrupt
6. Draw the functional block diagram
of 8051
7. Draw the formats of TCON and TMOD
registers and explain the bits
8. Write a program in C to get data (AA
H) from Port 0 and send it to port 1 of 8051
9. Identify the Addressing modes for
the following instruction
a.
MOV
A,#20H
b.
MOV
80H,A
c.
MOV
@R1,35H
d.
MOV
A,R0
10. Write a program in C to generate
square wave on P1.2 bit, use interrupt for timer
11. Draw and describe Harvard
Architecture
12. Explain in detail memory
organization of 8051
13. Explain in detail mode 0 of a
timer available in 8051
14. List the addressing modes of 8051.
Also give example of each mode
15. Draw the structure of Port 0 and
explain its operations
16. Give an overview of 8051 family
17. Write a program in C language to
transfer letter M serially at 4800 baud rate, 8 bit data,1 stop bit
18. Describe any 4 bit handling
instructions of 8051
19. Draw the format of SCON and
describe its functionality
20. How many timers/counters are
available in 8051. When are they used? What is the initialization instruction
21. Draw PSW of 8051. State the
function of each bit
22. Enlist the various interrupts of
8051 with their priorities, vector locations and cause of interrupts
23. Divide the data in RAM location
13H by the data in RAM location 14H. Then restore the original data in 13H by
multiplying the answer by the data in 14H. Use assembly language for 8051
controller.
1. Write a program in C language to
display “MSBTE” on LCD
