1. Can devices be added and removed while the system is running (Hot swapping) in I2C ?

2. What is the standard bus speed in I2C ?

3. How many devices can be connected in a standard I2C communication ?

4. What are the 2 roles of nodes in I2C communication ?

5. What are the modes of operation in I2C communication ?

6. What is bus arbitration ?

7. Advantages and limitations of I2C communication ?

8. How many wires are required for I2C communication ? What are the signals involved in I2C ?

9. What is START bit and STOP bit ?

10. How will the master indicate that it is either address / data ? How will it intimate to the slave that it is going to either read / write ?

11. Is it possible to have multiple masters in I2C ?

12. In write transaction, the Master monitors the last ACK and issues STOP condition - True/False ?

13. In read transaction, the master doesnot acknowledge the final byte it receives and issues STOP condition - True/False ?

14. What is SPI communication ?

15. How many wires are required for SPI communication ?

16. What are the 4 logic signals specified by SPI bus ?

17. Does SPI slave acknowledge the receipt of data ?

18. SPI has higher throughput than I2C - True / False ?

19. Is it better to use I2C or SPI for data communication between a microprocessor and DSP ?

20. Is it better to use I2C or SPI for data communication from ADC ?

21. Duplex communication is possible by simultaneously using MOSI and MISO during each SPI clock cycle - True / False ?

22. Is it possible to connect SPI slaves in daisy chain ?

23. What is the role of shift register in Master and Slave devices in SPI ?

24. How will the master convey that it is stopping the transmission of data ?

25. What is bit banging ?

1.  What is CAN?

2.  What is Asynchronous Serial Communication?

3.  Why CAN is reliable?

4.  How many layer it supports?

5.  What is the max speed of CAN?

6.  St. CAN vs Extd. CAN? Can they coexist on a network?

7.  If they can co-exist, which one will have priority; if not, what is the reason?

8.  Describe the process of bus arbitration in CAN?

9.  What's the difference between CSMA/CR and CSMA/CD?

10. How can we identify a specific sensor in a CAN network?

11. Data Frame vs Remote Frame; Who wins arbitration? Explain why?

12. What is bus termination resistor value for CAN? Do they vary if we put them in each node instead of bus ends?

13. Explain Error Frame? Explain the error states (Like Passive Active and Bus-off)?

14. What is BUS-Off? What happens when bus-off occurs?

15. What is TEC and REC?

16. How they increment and decrement?

17. What is difference between Inter frame space and overload frame?

18. What is time quanta?

19. Explain

20. How does CAN work? What are the features of CAN?

21. Why SOF is always a dominant bit?

22. Explain error detection mechanism?

23. CANALyzer vs CANoe

24. CAPL vs IG

25. IG block vs G block

26. How many nodes can be simulated in Canalyzer and Canoe?

27. Data frame vs Remote frame? Who wins when both are available in the network?

28. What is Bit-Encoding?

29. What is bit-stuffing?

30. Why bit stuff happens after 5th bit; why not after or before 4th or 6th bit?

31. What is DLC? Why is it needed?

32. CAN vs LIN?

33. CAN vs KWP vs UDS?

34. Why 7F has considered for €“ve response why not other than 7F?

35. What is tester present? Why do we need it?

36. What is security Access? Why do we need it?

37. What is CANCaseXL (if you have used it)? Explain with types?

38. If there are only two nodes on the bus, and both are transmitting same  identifier(exactly the same identifier),who will win the arbitration or what happens?

39. If there is only one node on the bus and it is transmitting messages on the bus continuously, what will happen? Is node will go into the bus-off state or what happens?

41. Is CAN full duplex? what is the significance of Extended frames other than that it can be used for generating more identifiers?

42. What is the major difference between CAN 2.0B and previous version?

43. Without CAPL,can we simulate the other ECU's CAN Messages except Test ECU in the CAN Simulation Network in CANoe tool without using IG or G blocks.

44. How many can database files are required for CAN Network simulation in CANoe tool.

45. what is the difference between CANalyzer,CANoe and CANape tools?

46. Mention the few uses of the CANoe tool?

47. what is a panel is CANoe Tool and its Use?

48. Why CAPL scripting is used in CANoe tool?

49.  Is it possible to simulate other ECU's Except Test ECU without CAPL Scripting in CANoe tool?

50. What is flow control frame?