adau1461 Analog Devices, Inc., adau1461 Datasheet - Page 52

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

ADAU1461
R2: Digital Microphone/Jack Detection Control, 16,392 (0x4008)
Bit 7
Table 35. Digital Microphone/Jack Detection Control Register
Bits
[7:6]
[5:4]
0
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
Table 36. Record Mixer Left (Mixer 1) Control 0 Register
Bits
[6:4]
[3:1]
0
Bit Name
LINPG[2:0]
LINNG[2:0]
MX1EN
Bit Name
JDDB[1:0]
JDFUNC[1:0]
JDPOL
JDDB[1:0]
Bit 6
Bit 6
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.
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 5
LINPG[2:0]
JDFUNC[1:0]
Bit 4
Bit 4
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
Rev. 0 | Page 52 of 88
Debounce Time
Digital microphone input
5 ms (default)
10 ms
20 ms
40 ms
Pin Function
Jack detect off (default)
Jack detect on
Reserved
Bit 3
Bit 3
Bit 2
Bit 2
LINNG[2:0]
Reserved
Bit 1
Bit 1
Bit 0
JDPOL
Bit 0
MX1EN