WM8776
Production Data
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
DAC Interface format select
R10 (0Ah)
0001010
1:0
DACFMT[1:0]
10
00: right justified mode
01: left justified mode
10: I2S mode
DAC Interface
Control
11: DSP mode
2
DACLRP
0
DACLRC Polarity or DSP Early/Late mode select
Left Justified / Right Justified /
I2S
DSP Mode
0: Early Mode
1: Late Mode
0: Standard DACLRC Polarity
1: Inverted DACLRC Polarity
DAC BITCLK Polarity
3
DACBCP
0
0: Normal – DIN and DACLRC sampled on rising edge of
DACBCLK.
1: Inverted - DIN and DACLRC sampled on falling edge of
DACBCLK.
5:4
DACWL[1:0]
10
DAC Input Word Length
00: 16-bit Mode
01: 20-bit Mode
10: 24-bit Mode
11: 32-bit Mode (not supported in right justified mode)
R11 (0Bh)
0001011
1:0
ADCFMT[1:0]
ADCLRP
10
0
ADC Interface format select
00: right justified mode
01: left justified mode
10: I2S mode
ADC Interface
Control
11: DSP mode
2
ADCLRC Polarity or DSP Early/Late mode select
Left Justified / Right Justified /
I2S
DSP Mode
0: Early Mode
0: Standard ADCLRC Polarity
1: Inverted ADCLRC Polarity
1: Late Mode
3
ADCBCP
0
ADC BITCLK Polarity
0: Normal - ADCLRC sampled on rising edge of
ADCBCLK; DOUT changes on falling edge of ADCBCLK.
1: Inverted - ADCLRC sampled on falling edge of
ADCBCLK; DOUT changes on rising edge of ADCBCLK.
5:4
ADCWL[1:0]
10
ADC Input Word Length
00: 16-bit Mode
01: 20-bit Mode
10: 24-bit Mode
11: 32-bit Mode (not supported in right justified mode)
6
8
ADCMCLK
ADCHPD
0
0
ADCMCLK Polarity:
0: non-inverted
1: inverted
ADC Highpass Filter Disable:
0: Highpass Filter enabled
1: Highpass Filter disabled
PD Rev 4.0 April 2005
44
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
