wm8903 Wolfson Microelectronics plc, wm8903 Datasheet - Page 64

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

WM8903
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Table 42 Volume Control for LON/LOP and RON/ROP
R62 (3Eh)
Analogue
OUT3 Left
R63 (3Fh)
Analogue
OUT3 Right
REGISTER
ADDRESS
5:0
5:0
BIT
8
7
6
8
7
6
SPKL_MUTE
SPKVU
SPKLZC
SPKL_VOL [5:0]
SPKR_MUTE
SPKVU
SPKRZC
SPKR_VOL [5:0]
LABEL
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
PP, Rev 3.1, August 2009
DESCRIPTION
Pre-Production
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