AK4637 Datasheet, PDF (76/96 Pages) Asahi Kasei Microsystems – 24bit Mono CODEC with MIC - SPK-AMP

[AK4637]
Addr
0DH
Register Name
Input Volume Control
R/W
Default
D7
IVOL7
R/W
1
D6
IVOL6
R/W
1
D5
IVOL5
R/W
1
D4
IVOL4
R/W
0
D3
IVOL3
R/W
0
D2
IVOL2
R/W
0
D1
IVOL1
R/W
0
D0
IVOL0
R/W
1
IVOL7-0: Digital Input Volume; 0.375dB step, 242 Level (Table 39)
Default: “E1H” (+30.0dB)
Addr
0EH
Register Name
ALC Volume
R/W
Default
D7
VOL7
R
-
D6
VOL6
R
-
D5
VOL5
R
-
D4
VOL4
R
-
D3
VOL3
R
-
D2
VOL2
R
-
D1
VOL1
R
-
D0
VOL0
R
-
VOL7-0: Current ALC volume value; 0.375dB step, 242 Level. Read operation only. (Table 36)
Addr
0FH
Register Name
Beep Control
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
BPVCM BEEPS
0
BPLVL3 BPLVL2 BPLVL1 BPLVL0
R
R/W
R/W
R
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
BPLVL3-0:BEEP Output Level Setting (Table 45)
Default: “0000” (0dB)
BEEPS: Signal Switch Control from the BEEP pin to Speaker Amplifier
0: OFF (default)
1: ON
BPVCM: Common Voltage Setting of BEEP Input Amplifier (Table 46)
0: 1.15V (default)
1: 1.65V
Addr
10H
Register Name
Digital Volume Control
R/W
Default
D7
DVOL7
R/W
0
D6
DVOL6
R/W
0
D5
DVOL5
R/W
0
D4
DVOL4
R/W
1
D3
DVOL3
R/W
1
D2
DVOL2
R/W
0
D1
DVOL1
R/W
0
D0
DVOL0
R/W
0
DVOL7-0: Digital Output Volume (Table 43)
Default: “18H” (0dB)
015010680-E-00
- 76 -
2015/09