ADAU1461 Datasheet, PDF (52/88 Pages) Analog Devices – SigmaDSP Stereo, Low Power, 96 kHz, 24-Bit Audio Codec with Integrated PLL

ADAU1461
R2: Digital Microphone/Jack Detection Control, 16,392 (0x4008)
Bit 7
Bit 6
JDDB[1:0]
Bit 5
Bit 4
JDFUNC[1:0]
Bit 3
Bit 2
Reserved
Bit 1
Bit 0
JDPOL
Table 35. Digital Microphone/Jack Detection Control Register
Bits
Bit Name
Description
[7:6]
JDDB[1:0]
Jack detect debounce time.
Setting
Debounce Time
00
5 ms (default)
01
10 ms
10
20 ms
11
40 ms
[5:4]
JDFUNC[1:0] JACKDET/MICIN pin function. Enables or disables the jack detect function or configures the pin for a digital
microphone input.
Setting
Pin Function
00
Jack detect off (default)
01
Jack detect on
10
Digital microphone input
11
Reserved
0
JDPOL
Jack detect polarity. Detects high or low signal.
0 = detect high signal (default).
1 = detect low signal.
R4: Record Mixer Left (Mixer 1) Control 0, 16,394 (0x400A)
This register controls the gain of single-ended inputs for the left channel record path. The left channel record mixer is referred to as Mixer 1.
Bit 7
Reserved
Bit 6
Bit 5
LINPG[2:0]
Bit 4
Bit 3
Bit 2
LINNG[2:0]
Bit 1
Bit 0
MX1EN
Table 36. Record Mixer Left (Mixer 1) Control 0 Register
Bits Bit Name
Description
[6:4] LINPG[2:0]
Gain for a left channel single-ended input from the LINP pin, input to Mixer 1.
Setting
Gain
000
Mute (default)
001
−12 dB
010
−9 dB
011
−6 dB
100
−3 dB
101
0 dB
110
3 dB
111
6 dB
[3:1] LINNG[2:0]
Gain for a left channel single-ended input from the LINN pin, input to Mixer 1.
Setting
Gain
000
Mute (default)
001
−12 dB
010
−9 dB
011
−6 dB
100
−3 dB
101
0 dB
110
3 dB
111
6 dB
0
MX1EN
Left channel mixer enable in the record path. Referred to as Mixer 1.
0 = mixer disabled (default).
1 = mixer enabled.
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