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WM8903 Datasheet(PDF) 139 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) 139 Page - Wolfson Microelectronics plc

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Production Data
WM8903
w
PD, Rev 4.5, June 2012
139
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
9:8
CLK_SYS_MODE
[1:0]
00
CLK_SYS mode
00 = 256*fs related
01 = 272*fs related
10 = 250*fs related
11 = Reserved
3:0
SAMPLE_RATE [3:0]
1000
Selects the Sample Rate (fs)
0000 = 8kHz
0001 = 11.025kHz
0010 = 12kHz
0011 = 16kHz
0100 = 22.05kHz
0101 = 24kHz
0110 = 32kHz
0111 = 44.1kHz
1000 = 48kHz
1001 = 88.2kHz (Not available for Digital
Microphone. Not used for 88.2kHz ADC.)
1010 = 96kHz (Not available for Digital
Microphone. Not used for 96kHz ADC).
1011 to 1111 = Reserved
If the desired sample rate is not listed in this
table, then the closest alternative should be
chosen.
Register 15h Clock Rates 1
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R22 (16h)
Clock Rates
2
2
CLK_SYS_ENA
0
System Clock enable
0 = Disabled
1 = Enabled
1
CLK_DSP_ENA
0
DSP Clock enable
0 = Disabled
1 = Enabled
0
TO_ENA
0
Zero Cross timeout enable
0 = Disabled
1 = Enabled
Register 16h Clock Rates 2
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R24 (18h)
Audio
Interface 0
12
DACL_DATINV
0
Left DAC Invert
0 = Left DAC output not inverted
1 = Left DAC output inverted
11
DACR_DATINV
0
Right DAC Invert
0 = Right DAC output not inverted
1 = Right DAC output inverted



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