PCIe Transaction Layer Interview Questions - Analinear, Cyient and Ensilica

1. What are the functions performed by software layer in PCIe?

2. Difference between gen 2 and gen 3 PCIe protocols?

3. Functions of transaction and data link layers?

4. How FC credits mechanism works?

5. Difference between posted and non-posted transactions?

6. What is split transaction mechanism in PCIe?

7. Why do we need DLLPs?

8. How to corrupt PCIe packets?

9. Different types of routing mechanisms in PCIe?

10. How message packets are routed?

11. What is implicit routing?

12. Which types of packets are routed by ID?







Comments

Post a Comment

Popular posts from this blog

PCIe Physical Layer Interview Questions on Gen 2 or Gen 3 or Gen 4

1. Why PCIe is a serial protocol? 2. Why do we use scrambling in PCIe? 3. Why do we use 8b/10b or 128b/130b encoding in PCIe Gen 3 or Gen 4? 4. Is scrambling not enough? Why do we still go for 8b/10b or 128b/130b encoding in PCIe? 5. What is DC balance? 6. Which symbols are not scrambled in PCIe? 7. When is scrambling re-started? 8. What is difference between pre-emphasis and de-emphasis? 9. Why do we use pre-emphasis in PCIe? 10. Any connection between equalization and pre-emphasis? 11. Why do we need to replicate Ordered Sets on all lanes? 12. Difference between logical idle and electrical idle? 13. Difference between PAD and IDL? 14. Why SKP is ignored by scrambler? 15. Why do we need Tx or Rx buffers in Physical Layer of PCIe? 16. What is significance of elastic buffer in PCIe physical layer?
Read more

System Verilog Assertions(SVA) Interview Questions - smartplay and mobiveil

Why assertions? Where do we write them? What is bind? What is assume? Difference between assert and assume? What is expect? Difference between sequence and property? Practical difference between immediate and concurrent assertions? Can we write assertions in interface and class? Difference between overlapping and non-overlapping assertions? How to assert only once? Special use of assertion coverage? Write an assertion: A high for 5 cycles and B high after 4 non-continuous highs of A and finally both A and B are high? ____|====|_____|======================|______   A ________________________________|=====|______   B
Read more