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WM1811A Datasheet(PDF) 250 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) 250 Page - Wolfson Microelectronics plc

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WM1811A
Production Data
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PD, November 2013, Rev 4.1
250
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
0
LDO1_DISCH
1
LDO1 Discharge Select
0 = LDO1 floating when disabled
1 = LDO1 discharged when disabled
Register 3Bh LDO 1
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R60 (3Ch)
LDO 2
2:1
LDO2_VSEL [1:0]
01
LDO2 Output Voltage Select
1.05V to 1.25V in 100mV steps
00 = Reserved
01 = 1.05V
10 = 1.15V
11 = 1.25V
0
LDO2_DISCH
1
LDO2 Discharge Select
0 = LDO2 floating when disabled
1 = LDO2 discharged when disabled
Register 3Ch LDO 2
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R61 (3Dh)
MICBIAS1
5
MICB1_RATE
1
Microphone Bias 1 Rate
0 = Fast start-up / shut-down
1 = Pop-free start-up / shut-down
4
MICB1_MODE
1
Microphone Bias 1 Mode
0 = Regulator mode
1 = Bypass mode
3:1
MICB1_LVL [2:0]
100
Microphone Bias 1 Voltage Control
(when MICB1_MODE = 0)
000 = 1.5V
001 = 1.8V
010 = 1.9V
011 = 2.0V
100 = 2.2V
101 = 2.4V
110 = 2.5V
111 = 2.6V
0
MICB1_DISCH
1
Microphone Bias 1 Discharge
0 = MICBIAS1 floating when disabled
1 = MICBIAS1 discharged when disabled
Register 3Dh MICBIAS1
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R62 (3Eh)
MICBIAS2
5
MICB2_RATE
1
Microphone Bias 2 Rate
0 = Fast start-up / shut-down
1 = Pop-free start-up / shut-down
4
MICB2_MODE
1
Microphone Bias 2 Mode
0 = Regulator mode
1 = Bypass mode



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