Welcome to your Embedded Systems Demystified – Discover the Most Popular Interview Questions

1. 
CAN uses which coding scheme for error detection?

2. 
What is the maximum number of nodes that can be connected to a CAN bus?

3. 
Which CAN frame type allows a node to request data from another node?

4. 
MISRA does not allow

5. 
in application programming support

6. 
What is the identifier length in CAN2.0 and CAN FD

7. 
Which CAN error occurs when two or more nodes start transmitting at the same time?

8. 
Which of the following is the basic functions of a timer

9. 
SMT32 device can fetch instruction from

10. 
What is the role of a CAN controller?

11. 
What is maximum data length in CAN and CAN FD

12. 
Which of the following CAN frame fields contains the priority of the message?

13. 
What does a DMA controller do?

14. 
Which of following V ref of ADC can provide better resolution

15. 
Which of the following is handshake signal

16. 
Which of the following CAN versions supports Flexible Data-rate (FD)?

17. 
Which of following is try for ADC sampling frequency

18. 
Which of the following is a standard CAN frame format?

19. 
What is return of ISR?

20. 
Which of the following is a characteristic of CAN communication?

21. 
Which of the following is a valid reason for a CAN node to go into the "Bus Off" state?

22. 
What is byte order in I2C

23. 
How can stack/heap memory can change

24. 
Maximum switch case allow in MISRA

25. 
CAN FD stands for

26. 
Which register is used to enable LSE clock in STM32

27. 
Which of the following statements about CAN message prioritization is true?

28. 
Which of following is not true in timer operation

29. 
What type of bus topology does CAN typically use?

30. 
Which of the following is not an error detection mechanism used in CAN?

31. 
MISRA not allow below expression val = fun1() + fun2()

32. 
Which layer of the OSI model does CAN protocol primarily operate on?

33. 
Which of the following CAN frame types is used for time-critical data?

By Devilal

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