AK2300 Datasheet, PDF (17/19 Pages) Asahi Kasei Microsystems – 3.3V Single channel PCM CODEC LSI

Recommended start up procedure
[AK2300]
The following start up procedure is recommended when AK2300 is going to power up.
Power up is 5ms or less, internal Power On Reset is working, because ( ) in the following sequence can be
omitted.
Power up
Wait 20ms
- FS=”L”
-BCLK=”L”
(-PDN=”L”)
-Supply BCLK and FS
Wait 20ms
CODEC starts working
- CODEC Initialization starts.
(- PDN=”H”)
- CODEC Initialization complete.
Internal MUTE=”H”
<MS0998-E-00>
17
2008/9