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Motorola DSP96002 User Manual

Page 806

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MOTOROLA

5.4

USING THE OnCE FOR CACHE OBSERVABILITY

5.4.1

Displaying the tags, locks and LRU status

1. ACK

2. Save pipeline information:

1. Send command READ PDB REGISTER

2. ACK

3. CLK

4. Send command READ PIL REGISTER (instruction latch).

5. ACK

6. CLK

3. Read the 9 registers from the tags buffer:

1. Send command READ TAGS BUFFER (read tag 0 and increment pointer).

2. ACK

3. CLK

4. Send command READ TAGS BUFFER (read tag 1 and increment pointer).

5. ACK

6. CLK

7. Send command READ TAGS BUFFER (read tag 2 and increment pointer).

8. ACK

9. CLK

10. Send command READ TAGS BUFFER (read tag 3 and increment pointer).

11. ACK

12. CLK

13. Send command READ TAGS BUFFER (read tag 4 and increment pointer).

14. ACK

15. CLK

16. Send command READ TAGS BUFFER (read tag 5 and increment pointer).

17. ACK

18. CLK

19. Send command READ TAGS BUFFER (read tag 6 and increment pointer).

20. ACK

21. CLK

22. Send command READ TAGS BUFFER (read tag 7 and increment pointer).

23. ACK

24. CLK

25. Send command READ TAGS BUFFER (read locks/lru register and increment pointer).

26. ACK

27. CLK