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TAS5414A Clear bit in diag reg

Peter Kubelka
Prodigy 110 points
Other Parts Discussed in Thread: TAS5414A

Hi,

I develop my own software on microcontroller to control TAS5414A.

I make shortcut on Channel 1. I set HiZ mode and enable Load Diagnostic.

 D2 bit /load shorted/   is set in Diagnostic Register 1. That`s O.K.

Then I remove shortcut. D3 bit /load open/  is set . That`s O.K.

But  D2 bit is still set.  Which way is to clear it?

Thanks

Peter

  • 0
    TI__Guru**** 189399 points

    Hi, Peter,

    Sorry for the delay; I've asked my colleague to address your question.

    -d2 (not bit D2 :) )

  • 0
    TI__Mastermind 35865 points

    Peter,

    I need more information.  Do you run load diagnostics on all 4 channels or do you run it on one channel at a time?  A set load diagnostic bit will only clear on a successful load diagnostic run.   For example, you short channel 1 and run load diagnostics only on channel 1, bit D2 in Diagnostic register 1 will be set.  Remove the short and never run load diagnostics on channel, the bit will not clear.  The bit will only clear if you run load diagnostics without a short on channel 1.