WM8912 Datasheet, PDF (106/129 Pages) Wolfson Microelectronics plc – Ultra Low Power DAC with Headphone Driver for Portable Audio Applications

WM8912
REGISTER BIT
LABEL
DEFAULT
DESCRIPTION
ADDRESS
R57 (39h)
8 HPOUTL_MUT
0
Left Headphone Output Mute
Analogue
E
0 = Un-mute
OUT1 Left
1 = Mute
7
HPOUT_VU
0
Headphone Output Volume Update
Writing a 1 to this bit will update HPOUTL and
HPOUTR volumes simultaneously.
6
HPOUTLZC
0
Left Headphone Output Zero Cross Enable
0 = disabled
1 = enabled
5:0 HPOUTL_VOL 10_1101 Left Headphone Output Volume
[5:0]
000000 = -57dB
000001 = -56dB
(… 1dB steps)
111001 = 0dB
(… 1dB steps)
111110 = +5dB
111111 = +6dB
Register 39h Analogue OUT1 Left
REGISTER BIT
LABEL
DEFAULT
DESCRIPTION
ADDRESS
R58 (3Ah)
8 HPOUTR_MUT
0
Right Headphone Output Mute
Analogue
E
OUT1 Right
0 = Un-mute
1 = Mute
7
HPOUT_VU
0
Headphone Output Volume Update
Writing a 1 to this bit will update HPOUTL and
HPOUTR volumes simultaneously.
6
HPOUTRZC
0
Right Headphone Output Zero Cross Enable
0 = disabled
1 = enabled
5:0 HPOUTR_VOL 10_1101 Right Headphone Output Volume
[5:0]
000000 = -57dB
000001 = -56dB
(… 1dB steps)
111001 = 0dB
(… 1dB steps)
111110 = +5dB
111111 = +6dB
Register 3Ah Analogue OUT1 Right
Production Data
REFER TO
REFER TO
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PD, Rev 4.1, February 2013
106