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L9788 MSC Upstream does not work, mrd signal does not change at any time.

bgt
Associate

Hi community, 

I am working on L9788 IC with SPC57 K Line 144 pins. I can sent LVDS data, LVDS clock and Enable signal from SPC57 MCU to L9788 IC (downstream works). However L9788 IC does not sent me any response (upstream doesn't work). Moreover, when I check  mrd signal, I can not see any change on this signal. 

Is my L9788 IC working or not according to mrd signal?MSC_signals.png

 

Can you help me with this subject?

 

@Peter BENSCH @L9788  @SPC57

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