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WM1811A Datasheet(PDF) 239 Page - Wolfson Microelectronics plc

Part # WM1811A
Description  Multi-Channel Audio Hub CODEC for Smartphones
PDF  328 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM1811A Datasheet(HTML) 239 Page - Wolfson Microelectronics plc

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Production Data
WM1811A
w
PD, November 2013, Rev 4.1
239
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R38 (26h)
Speaker
Volume Left
8
SPKOUT_VU
0
Speaker Output PGA Volume Update
Writing a 1 to this bit will update SPKLVOL and SPKRVOL volumes
simultaneously.
7
SPKOUTL_ZC
0
SPKLVOL (Left Speaker Output PGA) Zero Cross Enable
0 = Zero cross disabled
1 = Zero cross enabled
6
SPKOUTL_MUTE
_N
1
SPKLVOL (Left Speaker Output PGA) Mute
0 = Mute
1 = Un-mute
5:0
SPKOUTL_VOL
[5:0]
11_1001
SPKLVOL (Left Speaker Output PGA) Volume
-57dB to +6dB in 1dB steps
00_0000 = -57dB
00_0001 = -56dB
… (1dB steps)
11_1111 = +6dB
Register 26h Speaker Volume Left
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R39 (27h)
Speaker
Volume Right
8
SPKOUT_VU
0
Speaker Output PGA Volume Update
Writing a 1 to this bit will update SPKLVOL and SPKRVOL volumes
simultaneously.
7
SPKOUTR_ZC
0
SPKRVOL (Right Speaker Output PGA) Zero Cross Enable
0 = Zero cross disabled
1 = Zero cross enabled
6
SPKOUTR_MUT
E_N
1
SPKRVOL (Right Speaker Output PGA) Mute
0 = Mute
1 = Un-mute
5:0
SPKOUTR_VOL
[5:0]
11_1001
SPKRVOL (Right Speaker Output PGA) Volume
-57dB to +6dB in 1dB steps
00_0000 = -57dB
00_0001 = -56dB
… (1dB steps)
11_1111 = +6dB
Register 27h Speaker Volume Right
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R40 (28h)
Input Mixer
(2)
7
IN2LP_TO_IN2L
0
IN2L PGA Non-Inverting Input Select
0 = Connected to VMID
1 = Connected to IN2LP
Note that VMID_BUF_ENA must be set when using IN2L connected to VMID.
6
IN2LN_TO_IN2L
0
IN2L PGA Inverting Input Select
0 = Not connected
1 = Connected to IN2LN
5
IN1LP_TO_IN1L
0
IN1L PGA Non-Inverting Input Select
0 = Connected to VMID
1 = Connected to IN1LP
Note that VMID_BUF_ENA must be set when using IN1L connected to VMID.



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