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WM8904ECS/R Datasheet(PDF) 147 Page - Wolfson Microelectronics plc

Part # WM8904ECS/R
Description  Ultra Low Power CODEC for Portable Audio Applications
PDF  188 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8904ECS/R Datasheet(HTML) 147 Page - Wolfson Microelectronics plc

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Pre-Production
WM8904
w
PP, Rev 3.3, September 2012
147
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R25 (19h)
Audio
Interface 1
13
AIFDAC_TDM
0
DAC TDM Enable
0 = Normal DACDAT operation
1 = TDM enabled on DACDAT
Digital Audio
Interface Control
12
AIFDAC_TDM_
CHAN
0
DACDAT TDM Channel Select
0 = DACDAT data input on slot 0
1 = DACDAT data input on slot 1
Digital Audio
Interface Control
11
AIFADC_TDM
0
ADC TDM Enable
0 = Normal ADCDAT operation
1 = TDM enabled on ADCDAT
Digital Audio
Interface Control
10
AIFADC_TDM_
CHAN
0
ADCDAT TDM Channel Select
0 = ADCDAT outputs data on slot 0
1 = ADCDAT output data on slot 1
Digital Audio
Interface Control
8
AIF_TRIS
0
Audio Interface Tristate
0 = Audio interface pins operate normally
1 = Tristate all audio interface pins
Digital Audio
Interface Control
7
AIF_BCLK_INV
0
BCLK Invert
0 = BCLK not inverted
1 = BCLK inverted
Digital Audio
Interface Control
6
BCLK_DIR
0
Audio Interface BCLK Direction
0 = BCLK is input
1 = BCLK is output
Digital Audio
Interface Control
4
AIF_LRCLK_IN
V
0
LRC Polarity / DSP Mode A-B select.
Right, left and I2S modes – LRC polarity
0 = Not Inverted
1 = Inverted
DSP Mode – Mode A-B select
0 = MSB is available on 2nd BCLK rising edge after
LRC rising edge (mode A)
1 = MSB is available on 1st BCLK rising edge after LRC
rising edge (mode B)
Digital Audio
Interface Control
3:2
AIF_WL [1:0]
10
Digital Audio Interface Word Length
00 = 16 bits
01 = 20 bits
10 = 24 bits
11 = 32 bits
Digital Audio
Interface Control
1:0
AIF_FMT [1:0]
10
Digital Audio Interface Format
00 = Right Justified
01 = Left Justified
10 = I2S
11 = DSP
Digital Audio
Interface Control
Register 19h Audio Interface 1



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