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WM8903 Datasheet(PDF) 136 Page - Wolfson Microelectronics plc

Part # WM8903
Description  Ultra Low Power CODEC for Portable Audio Applications
PDF  178 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8903 Datasheet(HTML) 136 Page - Wolfson Microelectronics plc

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WM8903
Production Data
w
PD, Rev 4.5, June 2012
136
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
11 = Normal bias x 0.75
2:1
DACVMID_BIAS_SEL
[1:0]
00
DAC VMID buffer bias select
00 = Normal bias
01 = Normal bias x 0.5
10 = Normal bias x 0.66
11 = Normal bias x 0.75
Register 08h Analogue DAC 0
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R10 (0Ah)
Analogue
ADC 0
0
ADC_OSR128
1
ADC Oversampling Ratio
0 = Low Power (64 x fs)
1 = High Performance (128 x fs)
Note that the Low Power options is not
supported when CLK_SYS_MODE=10
Register 10h Analogue ADC 0
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R12 (0Ch)
Power
Management
0
1
INL_ENA
0
Left Input PGA Enable
0 = disabled
1 = enabled
0
INR_ENA
0
Right Input PGA Enable
0 = disabled
1 = enabled
Register 0Ch Power Management 0
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R13 (0Dh)
Power
Management
1
1
MIXOUTL_ENA
0
Left Output Mixer Enable
0 = disabled
1 = enabled
0
MIXOUTR_ENA
0
Right Output Mixer Enable
0 = disabled
1 = enabled
Register 0Dh Power Management 1
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R14 (0Eh)
Power
Management
2
1
HPL_PGA_ENA
0
Left Headphone Output Enable
0 = disabled
1 = enabled
0
HPR_PGA_ENA
0
Right Headphone Output Enable
0 = disabled
1 = enabled
Register 0Eh Power Management 2



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