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DDR access

Thread Summary

The user encountered an issue where manual access to DDR memory at address 0x80000000 failed on the 21835-SOM board via the Memory window in CCES, receiving an 'address not writable' error. The final answer suggests this is a known issue from CCES version 3.0.2 and recommends using CCES version 3.0.1 as a workaround. The user confirmed that the code can read and write DDR, but the Memory Browser displays all zeros.
AI Generated Content
Category: Software
Product Number: 21835
Software Version: CCES3.0.2

Hi,

I am using 21835-SOM board.but manual access DDR memory failed via Memory window of CCES.

The prompt given by the CCES is:Info : address 0x80000000 not writable, skipped

preload code is:ADSP21835W-EV-SOM_preload.dxe

Why does this problem occur?

Regards,

Bingo

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