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DRV3901-Q1: Question on second logic check

Chuqiang Wen
Expert 5845 points
Part Number: DRV3901-Q1

Tool/software:

Hi Expert, 

Customer have a question on behavior not align with DRV3901-Q1 datasheet. For secondary logic check, datasheet mentioned SDO will resume normal operation after writing CMD0=18h. But customer tried, SDO resumed normal operation until write CMD1=80h. See the waveform as below. 

Could you please check the reason? 

Thanks!

Ethan Wen