wm8903 Wolfson Microelectronics plc, wm8903 Datasheet - Page 137

• Manufacturer Part Number: wm8903
• Description: Ultra Low Power Codec For Portable Audio Applications
• Manufacturer: Wolfson Microelectronics plc

Pre-Production
R57 (39h)
Analogue
OUT1 Left
Register 39h Analogue OUT1 Left
R58 (3Ah)
Analogue
OUT1 Right
Register 3Ah Analogue OUT1 Right
w
REGISTER
REGISTER
ADDRESS
ADDRESS
5:0
BIT
5:0
BIT
8
7
6
8
7
6
HPOUTL_VOL[5:0]
HPOUTR_VOL[5:0]
HPOUTLZC
HPL_MUTE
HPR_MUTE
HPOUTRZC
HPOUTVU
HPOUTVU
LABEL
LABEL
DEFAULT
DEFAULT
10_1101
10_1101
0
0
0
0
0
0
Left Headphone Output Mute
0 = Un-mute
1 = Mute
Headphone Output Volume Update
Writing a 1 to this bit will update HPOUTL and
HPOUTR volumes simultaneously.
Left Headphone Output Zero Cross Enable
0 = disabled
1 = enabled
Left Headphone Output Volume
000000 = -57dB
000001 = -56dB
(… 1dB steps)
111001 = 0dB
(… 1dB steps)
111110 = +5dB
111111 = +6dB
Right Headphone Output Mute
0 = Un-mute
1 = Mute
Headphone Output Volume Update
Writing a 1 to this bit will update HPOUTL and
HPOUTR volumes simultaneously.
Right Headphone Output Zero Cross Enable
0 = disabled
1 = enabled
Right Headphone Output Volume
000000 = -57dB
000001 = -56dB
(… 1dB steps)
111001 = 0dB
(… 1dB steps)
111110 = +5dB
111111 = +6dB
DESCRIPTION
DESCRIPTION
PP, Rev 3.1, August 2009
WM8903
137