SRM University 2007 B.Tech Electronics and Communications Engineering Bank of : Computer Architecture

7. List out the I/O ports in 8051 with their dual functions.
8. Give the format of TMOD register.
9. Give the format of TCON register.
10. Give the format of SCON register.
11. Give the format of PCON register.
12. List the different modes in Serial Communication.
13. List out the interrupts in 8051.
14. Give the format of IE register.
15. Give the format of IP register.
16. What are the difference ranging from polling and interrupts?
17. What are the activation levels for external hardware interrupts?
18. What is the difference ranging from RET and RETI instructions?
19. List the vector location of interrupts.
20. List the Priority of interrupts.
21. Which 2 pins are important for External Memory Interfacing?
22. Explain the role of pins PSEN , RD , WR in accessing external memory.
23. What is the total memory space for both program and data?
24. List out the SFRs in 8051.
25. How On_chip RAM is allocated in 8051?
26. What is the difference ranging from MOVX and MOVC instructions?
27. Do you have CMP instruction in 8051? If not how compare is done in 8051?
28. What are the JMP instructions in 8051?
29. What are CALL instructions in 8051?
30. Explain XCHD A , @Ri instruction.
31. Explain SWAP A instruction.

PART – B
1. Draw the architecture of 8051 and discuss.
2. List out the various ports in 8051 and discuss their functions.
3. Explain about Timers and Counters in 8051.
4. Explain about Serial Communication in 8051.
5. Explain the different modes of Timer operation.
6. List the addressing modes of 8051 and discuss them with examples.
7. Classify the instruction set of 8051 and discuss.
8. Explain the Interrupt structure of 8051.
9. How external memory (Program ROM) is connected to 8051? discuss with diagram.
10. How external memory (Data ROM) is connected to 8051? discuss with diagram.
11. How external memory (Data RAM) is connected to 8051? discuss with diagram.
12. How ADC is interfaced to 8051? discuss with interfacing and timing diagram.
13. Write a program to obtain the largest number from a series of ‘N’ numbers.
14. Write a program to obtain the smallest number from a series of ‘N’ numbers.
15. Write a program to generate Square wave of frequency one KHz . (assume the oscillator frequency is 12 MHz)


UNIT – V
PART – A
1. What are the differences ranging from 8051 and 8096?
2. List the features of 8096.
3. List the functional units in 8096.
4. How On_chip RAM is allocated in 8096?
5. What is RALU? Why it is called so?
6. What is SFR?
7. List the major I/O functions in 8096.
8. What are the sub units in High Speed I/O parts of an 8096?
9. What are the HSI modes?
10. Give the format of HSI Mode Register
11. Give the format of HSI Status Register.
12. Give the format of HSO_Command Register.
13. What are the HSI Interrupts?
14. What are the HSO Interrupts?
15. Give the format of AD_Command Register.
16. Give the format of AD_Result Register.
17. Give the format of SP_STAT , SP_CON Register.
18. What are the serial port modes?
19. How multiprocessor communication is given in 8096?
20. How Baud Rate is determined in 8096?
21. Give the format of Control Register(IOC0).
22. Give the format of Control Register(IOC1).
23. Give the format of Status Register(IOS0).
24. Give the format of Status Register(IOS1).
25. Explain about WDT.
26. Give the Memory Map of 8096.
27. List the Interrupt sources in 8096.
28. Give the format of Interrupt Pending Register.
29. Give the format of PSW and discuss the function of every bit.
30. Explain the format of Interrupt Mask Register.
31. Mention the processing latency for ADC and Interrupt.

PART – B
1. Draw the architecture of 8096 and discuss.
2. Explain the CPU part of 8096.
3. Draw the RALU internal block diagram and discuss.
4. Explain about High Speed Input Unit.
5. Explain about High Speed Output Unit.
6. Explain about ADC Unit.
7. Explain about PWM Unit.
8. Explain about Serial Port in 8096.
9. What are the modes of serial communication in 8096? discuss them.
10. List the I/O ports in 8096 and discuss them.
11. Explain about Interrupt Structure of 8096.
12. a) Draw the memory timing diagram and discuss
b) discuss the timers supported in 8096.
13. Explain about 8096 expansion modes.
14. How memory is expanded in 8096?
15. List out the SFRs in 8096 and discuss.

Earning:   Approval pending.