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Problem with SDIO Receive FIFO overrun error on STM32F765

anonymous.8
Senior II

Hello, I have an audio playback application on an STM32F765VG chip. The application normally runs fine reading files from my FAT32 SD card over the SDIO interface. However, when I start tracing using Percepio Tracealyzer, I get a Receive FIFO overrun error using both DMA and Polled reading of the card. Obviously Tracealyzer is not supposed to upset the application like this, and I am in touch with their support people.

However, I was wondering if anyone on this forum can shed any light on the issue. E.G. what situations typically cause SDIO Receive FIFO overrun errors?

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