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WM8903 Datasheet(PDF) 140 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) 140 Page - Wolfson Microelectronics plc

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WM8903
Production Data
w
PD, Rev 4.5, June 2012
140
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
10:9
DAC_BOOST [1:0]
00
DAC Digital Input Volume Boost
00 = 0dB
01 = +6dB (Input data must not exceed -6dBFS)
10 = +12dB (Input data must not exceed -12dBFS)
11 = +18dB (Input data must not exceed -18dBFS)
8
LOOPBACK
0
Digital Loopback Function
0 = No loopback
1 = Loopback enabled (ADC data output is directly
input to DAC data input)
7
AIFADCL_SRC
0
Left Digital Audio channel source
0 = Left ADC data is output on left channel
1 = Right ADC data is output on left channel
6
AIFADCR_SRC
1
Right Digital Audio channel source
0 = Left ADC data is output on right channel
1 = Right ADC data is output on right channel
5
AIFDACL_SRC
0
Left DAC Data Source Select
0 = Left DAC outputs left channel data
1 = Left DAC outputs right channel data
4
AIFDACR_SRC
1
Right DAC Data Source Select
0 = Right DAC outputs left channel data
1 = Right DAC outputs right channel data
3
ADC_COMP
0
ADC Companding Enable
0 = disabled
1 = enabled
2
ADC_COMPMODE
0
ADC Companding Type
0 = µ-law
1 = A-law
1
DAC_COMP
0
DAC Companding Enable
0 = disabled
1 = enabled
0
DAC_COMPMODE
0
DAC Companding Type
0 = µ-law
1 = A-law
Register 18h Audio Interface 0
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R25 (19h)
Audio
Interface 1
13
AIFDAC_TDM
0
DAC TDM Enable
0 = Normal DACDAT operation
1 = TDM enabled on DACDAT
12
AIFDAC_TDM_CHAN
0
DACDAT TDM Channel Select
0 = DACDAT data input on slot 0
1 = DACDAT data input on slot 1
11
AIFADC_TDM
0
ADC TDM Enable
0 = Normal ADCDAT operation
1 = TDM enabled on ADCDAT
10
AIFADC_TDM_CHAN
0
ADCDAT TDM Channel Select
0 = ADCDAT outputs data on slot 0
1 = ADCDAT output data on slot 1



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