How to use the cache?while I enable the cache ,code can not work corretly.
To use cache, you have to place the code/data in external memory and enable the Cache in "Cache Configuration tab" from system.svc > Startup Code/LDF. This will automatically execute externally located functions and data from cache memory.
Please refer EE-400 for more details about cache:
You can find cache examples for ADSP-21569 using below link:
If still you are facing issue, can you please explain your issue in detail.