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WM1811A Datasheet(PDF) 207 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) 207 Page - Wolfson Microelectronics plc

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Production Data
WM1811A
w
PD, November 2013, Rev 4.1
207
AVDD2
VREFC
Voltage
Reference
LDO1VDD
LDO1
AVDD1
DBVDD1
LDO2
DCVDD
Digital Core Supply
Analogue Supply
LDO1ENA
LDO2ENA
LDO1_VSEL[2:0]
LDO1_DISCH
LDO2_VSEL[1:0]
LDO2_DISCH
Figure 79 LDO Regulators
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R59 (003Bh)
LDO 1
3:1
LDO1_VSEL [2:0]
110
LDO1 Output Voltage Select
2.4V to 3.1V in 100mV steps
000 = 2.4V
001 = 2.5V
010 = 2.6V
011 = 2.7V
100 = 2.8V
101 = 2.9V
110 = 3.0V
111 = 3.1V
0
LDO1_DISCH
1
LDO1 Discharge Select
0 = LDO1 floating when disabled
1 = LDO1 discharged when
disabled
R60
(003Ch)
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
R1825
(0721h)
Pull Control
(2)
6
LDO2ENA_PD
1
LDO2ENA Pull-down enable
0 = Disabled
1 = Enabled
4
LDO1ENA_PD
1
LDO1ENA Pull-down enable
0 = Disabled
1 = Enabled
Table 127 LDO Regulator Control



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