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TLV320AIC3120: Headset Detection Functionality clarification

Akilarasan R
Prodigy 220 points
Part Number: TLV320AIC3120

Hi,

We are using TLV320AIC3120 codec in our board. I have a doubts regarding Headset detection/ mic det functionality. 

In datasheet, it is mentioned that I have to configure Page 0 register 67(0x43). Consider I'm using standard headset jack which is connected with mic and speaker.

So, the doubt is 

  1. For bit D4-D2, how will I get to know what is the debouncing time and Is there any standard timing that I can write?
  2. Consider I'm not going to use button press detection . In that case Do I have write 00(0 ms) for for bit D1–D0?