WM8774 Datasheet, PDF (33/42 Pages) Wolfson Microelectronics plc – 24 - bit, 192kHz 8 - Channel Input Stereo Codec

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REGISTER
BIT
ADDRESS
11010
4:0
Attenuation
ADCR
5
LABEL
RAG[4:0]
MUTE
6
LRBOTH
11011
2:0
ADC mux
6:4
control
8
11100
2:0
Output mux
and
8:7
powerdown
control
11111
[8:0]
Software
reset
LMX[2:0]
RMX[2:0]
AINPD
MX[2:0]
OUTPD
RESET
Table 14 Register Map Description
DEFAULT
DESCRIPTION
WM8774
01100
(0dB)
0
0
000
000
1
001
1
Not reset
Attenuation data for right channel ADC gain in 1dB steps
Mute for Right channel ADC:
0: Mute off
1: Mute on
Setting LRBOTH will write the same gain value to RAG[4:0] and
LAG[4:0]
ADC left channel input mux control bits
ADC right channel input mux control bits
VOUT1 Output select (see Figure 18)
Mixer and EVR Powerdown select
0: mixer and EVR enabled
1: mixer and EVR powered down
Writing to this register will apply a reset to the device registers.
PP Rev 1.0 June 2002
33