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DS90UB928Q-Q1 OSS_SEL pin and OEN pin issue

Mickey Zhang
Genius 12080 points
Other Parts Discussed in Thread: DS90UB928Q-Q1

Hi Team,

The customer is using DS90UB928Q-Q1. DS90UB928Q-Q1 has the  OSS_SEL pin and OEN pin. But it also has the register 0x02 with OEN and OSS_SEL bit.

Q1:  What is the difference between the hardware pins and the register in this regard?

Q2:　How to control the OSS_SEL pin and OEN pin?　 If  the customer control the　hardware  pins with MCU, does the register 0x02 with OEN and OSS_SEL bit need to set ? Or if  the register 0x02 with OEN and OSS_SEL bit  set 1,  does the hardware pins need to be set 1?

Thanks,

Best Regards,