WM8956 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'WM8956' PDF : 80 Pages View PDF
Production Data
REGISTER BIT
ADDRESS
OUT3
6
Volume
LABEL
MOUTVOL
5:0
R43 (2Bh) 8:7
Left Input 6:4
Boost
Mixer
LIN3BOOST[2:0]
3:1 LIN2BOOST[2:0]
0
R44 (2Ch) 8:7
Right Input 6:4
Boost
Mixer
RIN3BOOST[2:0]
3:1 RIN2BOOST[2:0]
0
R45 (2Dh) 8
Left
7
Bypass
LB2LO
6:4 LB2LOVOL[2:0]
3:0
R46 (2Eh) 8
Right
7
Bypass
RB2RO
6:4 RB2ROVOL[2:0]
3:0
R47 (2Fh) 8:6
Power
5
Mgmt (3)
LMIC
DEFAULT
DESCRIPTION
1
000000
00
000
000
0
00
000
000
0
0
0
101
0000
0
0
101
0000
000
0
Mono Output Mixer Volume Control
0 = 0dB
1 = -6dB
Reserved
Reserved
LINPUT3 to Boost Mixer Gain
000 = Mute
001 = -12dB
...3dB steps up to
111 = +6dB
LINPUT2 to Boost Mixer Gain
000 = Mute
001 = -12dB
...3dB steps up to
111 = +6dB
Reserved
Reserved
RINPUT3 to Boost Mixer Gain
000 = Mute
001 = -12dB
...3dB steps up to
111 = +6dB
RINPUT2 to Boost Mixer Gain
000 = Mute
001 = -12dB
...3dB steps up to
111 = +6dB
Reserved
Reserved
Left Input Boost Mixer to Left Output Mixer
0 = Disable (Mute)
1 = Enable Path
Left Input Boost Mixer to Left Output Mixer
Volume
000 = 0dB
...(3dB steps)
111 = -21dB
Reserved
Reserved
Right Input Boost Mixer to Right Output Mixer
0 = Disable (Mute)
1 = Enable Path
Right Input Boost Mixer to Right Output Mixer
Volume
000 = 0dB
...(3dB steps)
111 = -21dB
Reserved
Reserved
Left Channel Input PGA Enable
0 = PGA disabled
1 = PGA enabled (if AINL = 1)
WM8956
REFER TO
Output Signal
Path
Input Signal
Path
Input Signal
Path
Input Signal
Path
Input Signal
Path
Output Signal
Path
Output Signal
Path
Output Signal
Path
Output Signal
Path
Input Signal
Path
w
PD, November 2011, Rev 4.1
69
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