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Linux/AM5718: SPI issue

Part Number: AM5718


Tool/software: Linux

Hi team,

My customer reported a problem with our AM5718's SPI. The SPI works properly when debug in CCS, however, their application cannot access SPI through Linux with same configuration. The receive register is always read '0'. They observed the signal waveform on MISO with scope and found there was indeed some non zero data, while the receive register is always zero. How to fix this problem?

Thank you!

John