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

1. 
Which of the following CAN frame fields contains the priority of the message?

2. 
Which CAN error occurs when two or more nodes start transmitting at the same time?

3. 
Which of the following CAN versions supports Flexible Data-rate (FD)?

4. 
What is the maximum number of nodes that can be connected to a CAN bus?

5. 
MISRA not allow below expression val = fun1() + fun2()

6. 
Which of the following is the basic functions of a timer

7. 
What is the role of a CAN controller?

8. 
in application programming support

9. 
Which of the following is handshake signal

10. 
Which of following is not true in timer operation

11. 
What is byte order in I2C

12. 
What is maximum data length in CAN and CAN FD

13. 
SMT32 device can fetch instruction from

14. 
Which register is used to enable LSE clock in STM32

15. 
Which of the following is a characteristic of CAN communication?

16. 
What does a DMA controller do?

17. 
Which of the following is not an error detection mechanism used in CAN?

18. 
Which of following is try for ADC sampling frequency

19. 
MISRA does not allow

20. 
CAN uses which coding scheme for error detection?

21. 
What is return of ISR?

22. 
Which layer of the OSI model does CAN protocol primarily operate on?

23. 
Which of the following statements about CAN message prioritization is true?

24. 
Which of the following is a standard CAN frame format?

25. 
Which of following V ref of ADC can provide better resolution

26. 
Maximum switch case allow in MISRA

27. 
CAN FD stands for

28. 
What is the identifier length in CAN2.0 and CAN FD

29. 
Which of the following CAN frame types is used for time-critical data?

30. 
Which CAN frame type allows a node to request data from another node?

31. 
How can stack/heap memory can change

32. 
What type of bus topology does CAN typically use?

33. 
Which of the following is a valid reason for a CAN node to go into the "Bus Off" state?

By Devilal

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