12345678bt 发表于 2020-11-21 10:10:38

PCM2 does not work on new version of BTM625

Hello

I switched to a different type of CSRA64215 module because the old one was out of stock everywhere.
It should behave exactly the same (same connections for SPI, I2S, PIO etc).
I can get connection with PStool and config tool.
I tried to upload the PSkey dump from the other module, but then nothing happens.

Then I restored the original dump.
But when I change from "PCM block 1" to "PCM block 2", the leds stop blinking and nothing happens anymore.
What could be the cause? Do I need different firmware?





12345678bt 发表于 2020-11-21 11:17:58

Nevermind, already fixed it myself.
There was old firmware on the new module.
Extracted the XUV from the old module using CSRBlueModify and burned it on the new one.

235689412 发表于 2020-11-21 16:44:03

CSRA64215这个芯片应该快停产了，不推荐使用了。替代的型号建议采用qcc3031，因为qcc3008后续也可能会停产。

12345678bt 发表于 2020-11-23 17:17:31

Is it known when the QCC3008 will stop production?
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