wm8903 Wolfson Microelectronics plc, wm8903 Datasheet - Page 139

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

Pre-Production
R62 (3Eh)
Analogue
OUT3 Left
Register 3Eh Analogue OUT3 Left
R63 (3Fh)
Analogue
OUT3 Right
Register 3Fh Analogue OUT3 Right
w
REGISTER
REGISTER
ADDRESS
ADDRESS
5:0
5:0
BIT
BIT
8
7
6
8
7
6
SPKR_VOL[5:0]
SPKL_VOL[5:0]
SPKR_MUTE
SPKL_MUTE
SPKLZC
SPKRZC
SPKVU
SPKVU
LABEL
LABEL
DEFAULT
DEFAULT
11_1001
11_1001
1
0
0
1
0
0
Left Speaker Output Mute
0 = Un-mute
1 = Mute
Speaker Output Volume Update
Writing a 1 to this bit will update LON/LOP and
RON/ROP volumes simultaneously.
Left Speaker Output Zero Cross Enable
0 = disabled
1 = enabled
Left Speaker Output Volume
000000 = -57dB
000001 = -56dB
(… 1dB steps)
111001 = 0dB
(… 1dB steps)
111110 = +5dB
111111 = +6dB
Right Speaker Output Mute
0 = Un-mute
1 = Mute
Speaker Output Volume Update
Writing a 1 to this bit will update LON/LOP and
RON/ROP volumes simultaneously.
Right Speaker Output Zero Cross Enable
0 = disabled
1 = enabled
Right Speaker 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
139