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Original question:

TAS6511-Q1: TAS6511-Q1 reg config

TAS6511-Q1: TAS6511-Q1 DVDD power on reset FAULT

pengfei sui
Prodigy 190 points
Part Number: TAS6511-Q1


Tool/software:

Hi Ti

When power on TAS6511 ,then delay 2ms set high  PD  pin  ， I use i2c read  POWER_FAULT_LATCHED Register  (Address = 0x86)  ,  the value=0x80 ,  it means   DVDD power on reset event detected and stored

I don't know why ?

is it ok ?

  • +1
    TI__Mastermind 45085 points

    This is normal as the DVDD had been powered up as well.  It is good practice to clear all faults after power up. Then, read the fault registers to make sure they remain cleared.  If they are clear then you can progress.  If there are still faults, then there is a problem that needs to be addressed.

    Regards,
    Gregg Scott