AK4695 Datasheet, PDF (81/107 Pages) Asahi Kasei Microsystems – 24bit 4ch CODEC with MIC/HP/SPK/LINE-AMP

[AK4695]
Addr
03H
Register Name
Output Gain Control
R/W
Default
D7
READ
R/W
0
D6
SPKG1
R/W
0
D5
SPKG0
R/W
0
D4
LVOL
R/W
0
BPGN2-0: BEEP Output Gain Setting (Table 69)
Default: “0H” (+2dB)
LVOL: Line Output A Gain Setting
0: 0dB (default)
1: +3.2dB
SPKG3-0: Speaker Amplifier Gain Setting (Table 76)
Default: “00” (+5.6dB)
When LBSEL bit = “0”, SPKG3-0 bits are enable.
READ: Register Read Function Enable
0: Disable (default)
1: Enable
D3
D2
D1
D0
0
BPGN2 BPGN1 BPGN0
R
R/W
R/W
R/W
0
0
0
0
Addr
04H
05H
Register Name
MIC Amp Gain 0, 1
MIC Amp Gain 2, 3
R/W
Default
D7
M1GN3
M3GN3
R/W
0
D6
M1GN2
M3GN2
R/W
0
D5
M1GN1
M3GN1
R/W
1
D4
M1GN0
M3GN0
R/W
0
D3
M0GN3
M2GN3
R/W
0
D2
M0GN2
M2GN2
R/W
0
D1
M0GN1
M2GN1
R/W
1
D0
M0GN0
M2GN0
R/W
0
M0GN3-0, M1GN3-0, M2GN3-0, M3GN3-0: MIC-Amp Gain Setting (Table 14)
Default: “2H” (+6dB)
Addr
06H
07H
Register Name
MIC Gain Adjust 0, 1
MIC Gain Adjust 2, 3
R/W
Default
D7
M1ADJ3
M3ADJ3
R/W
0
D6
M1ADJ2
M3ADJ2
R/W
0
D5
M1ADJ1
M3ADJ1
R/W
0
D4
M1ADJ0
M3ADJ0
R/W
0
D3
M0ADJ3
M2ADJ3
R/W
0
D2
M0ADJ2
M2ADJ2
R/W
0
D1
M0ADJ1
M2ADJ1
R/W
0
D0
M0ADJ0
M2ADJ0
R/W
0
M0ADJ3-0, M1ADJ3-0, M2ADJ3-0, M3ADJ3-0: MIC Sensitivity Correction (Table 20)
Default: “0H” (0dB)
MS1463-E-01
- 81 -
2014/12