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Cache memory does not work correctly. What items should be checked?

Latest Updated:03/25/2009

Question:

Cache memory does not work correctly. What items should be checked?

Answer:

Please check the following about cache control resisters (CCR): 

- Enable bit "1" enable

- Invalidated bit "1" cache (Initialization)

- Is access size to CCR correct? (Longword, 32-bit access)

- Is a cache enable area accessed?

Suitable Products
SH7729R
SH7727
SH7709S
SH7706
SH7705
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