adau1461 Analog Devices, Inc., adau1461 Datasheet - Page 64

• Manufacturer Part Number: adau1461
• Description: Sigmadsp Stereo, Low Power, 96 Khz, 24-bit Audio Codec With Integrated Pll Adau1461
• Manufacturer: Analog Devices, Inc.

ADAU1461
R21: Right Input Digital Volume, 16,411 (0x401B)
Bit 7
Table 53. Right Input Digital Volume Register
Bits
[7:0]
R22: Playback Mixer Left (Mixer 3) Control 0, 16,412 (0x401C)
Bit 7
Reserved
Table 54. Playback Mixer Left (Mixer 3) Control 0 Register
Bits
6
5
[4:1]
0
Bit Name
RADVOL[7:0]
Bit Name
MX3RM
MX3LM
MX3AUXG[3:0]
MX3EN
Bit 6
Bit 6
MX3RM
Description
Controls the digital volume attenuation for right channel inputs from either the right ADC or the right digital
microphone input. Each bit corresponds to a 0.375 dB step with slewing between settings. See Table 92 for a
complete list of the volume settings.
Setting
00000000
00000001
00000010
…
11111110
11111111
Description
Mixer input mute. Mutes the right DAC input to the left channel playback mixer (Mixer 3).
0 = muted (default).
1 = unmuted.
Mixer input mute. Mutes the left DAC input to the left channel playback mixer (Mixer 3).
0 = muted (default).
1 = unmuted.
Mixer input gain. Controls the left channel auxiliary input gain to the left channel playback mixer (Mixer 3).
Setting
0000
0001
0010
0011
0100
0101
0110
0111
1000
Mixer 3 enable.
0 = disabled (default).
1 = enabled.
Bit 5
Bit 5
MX3LM
Bit 4
Bit 4
Volume Attenuation
0 dB (default)
−0.375 dB
−0.75 dB
…
−95.25 dB
−95.625 dB
Gain
Mute (default)
−15 dB
−12 dB
−9 dB
−6 dB
−3 dB
0 dB
3 dB
6 dB
Rev. 0 | Page 64 of 88
RADVOL[7:0]
Bit 3
Bit 3
MX3AUXG[3:0]
Bit 2
Bit 2
Bit 1
Bit 1
Bit 0
Bit 0
MX3EN