Right Line Input Channel Volume Control (Address: 0000001)
BIT
D8
RLS
0
D7
RIM
1
D6
X
D5
X
D4
RIV4
1
D3
RIV3
0
D2
RIV2
1
D1
RIV1
1
D0
RIV0
1
Function
Default
0
0
RLS
Right/left line simultaneous volume/mute update
Simultaneous update
Right line input mute
0 = Disabled
0 = Normal
1 = Enabled
1 = Muted
RIM
RIV[4:0]
Right line input volume control (10111 = 0 dB default)
11111 = +12 dB down to 00000 = –34.5 dB in 1.5-dB steps
Reserved
X
Left Channel Headphone Volume Control (Address: 0000010)
BIT
D8
LRS
0
D7
LZC
1
D6
LHV6
1
D5
LHV5
1
D4
LHV4
1
D3
LHV3
1
D2
LHV2
0
D1
LHV1
0
D0
LHV0
1
Function
Default
LRS
Left/right headphone channel simultaneous volume/mute update
Simultaneous update
Left-channel zero-cross detect
Zero-cross detect 0 = Off
0 = Disabled
1 = Enabled
LZC
1 = On
LHV[6:0]
Left Headphone volume control (1111001 = 0 dB default)
1111111 = +6 dB, 79 steps between +6 dB and −73 dB (mute), 0110000 = −73 dB (mute),
any thing below 0110000 does nothing − you are still muted
Right Channel Headphone Volume Control (Address: 0000011)
BIT
D8
RLS
0
D7
RZC
1
D6
RHV6
1
D5
RHV5
1
D4
RHV4
1
D3
RHV3
1
D2
RHV2
0
D1
RHV1
0
D0
RHV0
1
Function
Default
RLS
Right/left headphone channel simultaneous volume/mute Update
Simultaneous update
Right-channel zero-cross detect
Zero-cross detect 0 = Off
0 = Disabled
1 = Enabled
RZC
1 = On
RHV[6:0]
Right headphone volume control (1111001 = 0 dB default)
1111111 = +6 dB, 79 steps between +6 dB and −73 dB (mute), 0110000 = −73 dB (mute),
any thing below 0110000 does nothing − you are still muted
Analog Audio Path Control (Address: 0000100)
BIT
D8
STA2
0
D7
STA1
0
D6
STA0
0
D5
STE
0
D4
DAC
0
D3
BYP
1
D2
INSEL
0
D1
MICM
1
D0
MICB
0
Function
Default
STA[2:0] and STE
STE
1
STA2
STA1
STA0
ADDED SIDETONE
0 dB
1
0
0
0
0
X
X
0
0
1
1
X
X
0
1
0
1
X
1
−6 dB
1
−9 dB
1
−12 dB
1
−18 dB
0
Disabled
DAC
BYP
DAC select
Bypass
0 = DAC off
0 = Disabled
1 = DAC selected
1 = Enabled
3−3
TI [ TEXAS INSTRUMENTS ]
