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by rbarris
Fri Sep 04, 2020 7:12 am
Forum: General discussion
Topic: [SOLVED] Problem with I2S+DMA on Nucleo H743ZI2 with WM8731 Audio Codec
Replies: 6
Views: 8795

Re: Problem with I2S+DMA on Nucleo H743ZI2 with WM8731 Audio Codec

One question: what is the actual address of the buffer you are trying to use for DMA?

If it starts with 0x2xxxxxxx - i.e. it's in DTCM - it won't work on the H7.

https://community.st.com/s/article/FAQ-DMA-is-not-working-on-STM32H7-devices

(I have not confronted this exact issue with I2S; but I ...

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