Analog Devices ADAU1961 Manual page 46

ADAU1961
R2: Digital Microphone/Jack Detection Control, 16,392 (0x4008)
Bit 7 Bit 6
JDDB[1:0]
Table 28. Digital Microphone/Jack Detection Control Register
Bits Bit Name
[7:6] JDDB[1:0]
[5:4] JDFUNC[1:0]
0 JDPOL
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 Bit 6
Reserved
Table 29. Record Mixer Left (Mixer 1) Control 0 Register
Bits Bit Name
[6:4] LINPG[2:0]
[3:1] LINNG[2:0]
0 MX1EN
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Bit 5 Bit 4
JDFUNC[1:0]
Description
Jack detect debounce time.
Setting
00
01
10
11
JACKDET/MICIN pin function. Enables or disables the jack detect function or configures the pin for a digital
microphone input.
Setting
00
01
10
11
Jack detect polarity. Detects high or low signal.
0 = detect high signal (default).
1 = detect low signal.
Bit 5 Bit 4
LINPG[2:0]
Description
Gain for a left channel single-ended input from the LINP pin, input to Mixer 1.
Setting
000
001
010
011
100
101
110
111
Gain for a left channel single-ended input from the LINN pin, input to Mixer 1.
Setting
000
001
010
011
100
101
110
111
Left channel mixer enable in the record path. Referred to as Mixer 1.
0 = mixer disabled (default).
1 = mixer enabled.
Bit 3 Bit 2
Debounce Time
5 ms (default)
10 ms
20 ms
40 ms
Pin Function
Jack detect off (default)
Jack detect on
Digital microphone input
Reserved
Bit 3 Bit 2
Gain
Mute (default)
−12 dB
−9 dB
−6 dB
−3 dB
0 dB
3 dB
6 dB
Gain
Mute (default)
−12 dB
−9 dB
−6 dB
−3 dB
0 dB
3 dB
6 dB
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Bit 1
Reserved
Bit 1
LINNG[2:0]
Bit 0
JDPOL
Bit 0
MX1EN