WM8904
Pre-Production
DESCRIPTION
Left Line Output Mute
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
R59 (3Bh)
8
LINEOUTL_MUTE
0
Analogue
OUT2 Left
0 = Un-mute
1 = Mute
Line Output Volume Update
7
LINEOUT_VU
LINEOUTLZC
0
Writing a 1 to this bit will update
LINEOUTL and LINEOUTR volumes
simultaneously.
Left Line Output Zero Cross Enable
0 = disabled
6
0
1 = enabled
Left Line Output Volume
000000 = -57dB
000001 = -56dB
(… 1dB steps)
5:0
LINEOUTL_VOL
[5:0]
11_1001
111001 = 0dB
(… 1dB steps)
111110 = +5dB
111111 = +6dB
Right Line Output Mute
0 = Un-mute
R60 (3Ch)
8
7
LINEOUTR_MUT
E
0
0
Analogue
OUT2 Right
1 = Mute
Line Output Volume Update
LINEOUT_VU
Writing a 1 to this bit will update
LINEOUTL and LINEOUTR volumes
simultaneously.
Right Line Output Zero Cross
Enable
6
LINEOUTRZC
0
0 = disabled
1 = enabled
Right Line Output Volume
000000 = -57dB
000001 = -56dB
(… 1dB steps)
111001 = 0dB
5:0
LINEOUTR_VOL
[5:0]
11_1001
(… 1dB steps)
111110 = +5dB
111111 = +6dB
Table 46 Volume Control for LINEOUTL and LINEOUTR
PP, Rev 3.3, September 2012
78
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
