Motorola DSP96002 - Manual (Page 806)

24 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