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STM32H7 multiple master and slave SPI DMA communication error

one V
Associate III

‎2018-01-17 04:09 AM

Posted on January 17, 2018 at 13:09

A single STM32H7 SPI（SPI4） DMA master-slave full-duplex communication works very well, but when I add another SPI(SPI5) master-slave communication,  the error rate will be high. What is the reason?

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Tesla DeLorean
Guru

‎2018-08-10 09:34 AM

Sorry, bumping old zombie unanswered threads off my feed

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