wm8400 Wolfson Microelectronics plc, wm8400 Datasheet - Page 70

• Manufacturer Part Number: wm8400
• Description: Wolfson Audioplustm Hi-fi Audio Codec And Power Management Unit For Mobile Multimedia
• Manufacturer: Wolfson Microelectronics plc

WM8400
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Table 31 Right Input Mixer Volume Control
R42 (2A)
R44 (2Ch)
REGISTER
ADDRESS
8
7
5
4
2:0
8:6
5:3
2:0
BIT
R34MNB
R34MNBST
R12MNB
R12MNBST
RDBVOL
[2:0]
RI2BVOL
[2:0]
RL4BVOL
[2:0]
RR4BVOL
[2:0]
LABEL
0b
0b
0b
0b
000b
(Mute)
000b
(Mute)
000b
(Mute)
000b
(Mute)
DEFAULT
RIN34 PGA Output to INMIXR Mute
0 = Mute
1 = Un-Mute
RIN34 PGA Output to INMIXR Gain
0 = 0dB
1 = +30dB
RIN12 PGA Output to INMIXR Mute
0 = Mute
1 = Un-Mute
RIN12 PGA Output to INMIXR Gain
0 = 0dB
1 = +30dB
ROMIX to INMIXR Gain and Mute
000 = Mute
001 = -12dB
010 = -9dB
011 = -6dB
100 = -3dB
101 = 0dB
110 = +3dB
111 = +6dB
RIN2 Pin to INMIXR Gain and Mute
000 = Mute
001 = -12dB
010 = -9dB
011 = -6dB
100 = -3dB
101 = 0dB
110 = +3dB
111 = +6dB
RXVOICE to AINRMUX Gain and Mute
000 = Mute
001 = -12dB
010 = -9dB
011 = -6dB
100 = -3dB
101 = 0dB
110 = +3dB
111 = +6dB
RXVOICE to INMIXR Gain and Mute
000 = Mute
001 = -12dB
010 = -9dB
011 = -6dB
100 = -3dB
101 = 0dB
110 = +3dB
111 = +6dB
Note - RL4BVOL must be set to the same
value as RR4BVOL when AINRMODE=01.
DESCRIPTION
PP, April 2009, Rev 3.0
Pre-Production
70