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DS90UB913A-Q1: Power On Reset

Shuji Ishiwata
Mastermind 7825 points
Part Number: DS90UB913A-Q1

Hi Team

I have a question about the DS90UB913.

Is it necessary to reset 0X01 Digital Reset, etc. when the power is turned on?
I think that POR is built-in. It is reset by POR.
Is that understanding correct?
Also, similarly, does the DS90UB914 and DS90UB936 also have a built-in POR?

Best Regards,
Ishiwata

  • 0
    TI__Guru** 103215 points

    Hello Ishiwata,

    Reset can be controlled either through the registers, or by using the PDB pin. The PDB pin should obey the power sequence requirements in datasheet section 9.1.2 of the datasheet and as long as those guidelines are followed, then the part will be properly reset on power up.

    The guidance is the same for 914A and 936

    Best Regards,
    Casey