AS3525-A/-B C22O22
Data Sheet, Confidential
Table 136 AudioSet_3 Register
Name
Base
Default
0x00
AudioSet_3
I2C audio master
Third Audio Set Register
This register is reset at a DVDD-POR.
Offset: 0x16
Bit
Bit Name
ZCU_off
Default
Access
Bit Description
7:3
2
00000
0
n/a
R/W
do not change
Zero cross gain update of audio outputs
0: zero cross update enabled
1: zero cross update disabled
should be disabled for C21O20
1
0
IBR_HPH
HPCM_off
0
R/W
R/W
Bias current reduction settings for headphone output:
0: headphone output driver set for 16Ohm load
1: headphone output driver set for 32Ohm load or more
Headphone common mode buffer settings:
00
0: headphone CM buffer is switched on
1: headphone CM buffer is switched off
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