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TLV320AIC3100 AVDD power domain reset

Antony Lin
Genius 13480 points
Other Parts Discussed in Thread: TLV320AIC3100

Hi,

For some specific cases, customers need to reset AVDD supply (turn it off and then turn it on again) but keep other power domain (DVDD, HPVDD, SPKVDD, IOVDD) ON during AVDD reset.  Can TLV320AIC3100 be back to normal function after AVDD is turned on again?

Any concerns here?

THanks!

Antony

  • 0
    TI__Guru* 84915 points
    Hi, Antony,

    Yes, it can. Actually, the device can back to normal function if HPVDD, SPKVDD and IOVDD are turned off and then turned on. DVDD is the only power source related with the register configuration. If it is turned off, all the registers will be erased. The device would need to be reset if it happens.

    I hope this helps you. Please let me know if you still have questions or comments.

    Best regards,
    Luis Fernando Rodríguez S.