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usage of SPISTE in SPI Slave Mode on a F28M35H52C1

Hello,

I have the following problem:

At the SPISTEA pin of the C28 there is a LED connected which can be driven by GPIO in open drain mode.

Is there a way to get the SPI working in slave mode? I don't send any data just receive and there is no other device connected to the SPI bus. I have read some comments about setting the GPIO to low should help. I tried this but I still can not see any data reception. I just would like to know if this should work for me as workaround until the HW is redesigned.

Regards,

Robert