AK7755EN_16 Datasheet, PDF (46/109 Pages) Asahi Kasei Microsystems – DSP with Mono ADC Stereo CODEC + Mic/Lineout Amp

[AK7755]
CONT12: Microphone Gain Setting
W R Name D7
D6
D5
D4
D3
D2
D1
D0
Default
D2h 52h
CONT12
MGNR
[3]
MGNR
[2]
MGNR MGNR
[1]
[0]
MGNL
[3]
MGNL
[2]
MGNL
[1]
MGNL
[0]
00h
D7, D6, D5, D4: MGNR[3:0] Microphone Input Rch Gain Setting
MGNR mode MGNR[3:0]
Microphone Input Rch
Gain
0
0000
0dB
(default)
1
0001
2dB
2
0010
4dB
3
0011
6dB
4
0100
8dB
5
0101
10dB
6
0110
12dB
7
0111
14dB
8
1000
16dB
9
1001
18dB
A
1010
21dB
B
1011
24dB
C
1100
27dB
D
1101
30dB
E
1110
33dB
F
1111
36dB
D3, D2, D1, D0: MGNL[3:0] Microphone Input Lch Gain
MGNL mode MGNL[3:0]
Microphone Input Lch
Gain
0
0000
0dB
1
0001
2dB
2
0010
4dB
3
0011
6dB
4
0100
8dB
5
0101
10dB
6
0110
12dB
7
0111
14dB
8
1000
16dB
9
1001
18dB
A
1010
21dB
B
1011
24dB
C
1100
27dB
D
1101
30dB
E
1110
33dB
F
1111
36dB
(default)
014006643-E-00
- 46 -
2014/10