AK4955 Datasheet, PDF (91/117 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK/Cap-less VIDEO-AMP/ LDO & DSP

[AK4955]
Addr
13H
14H
Register Name
Lch Digital Volume Control
Rch Digital Volume Control
R/W
Default
D7
DVOL7
DVOR7
R/W
0
D6
DVOL6
DVOR6
R/W
0
D5
DVOL5
DVOR5
R/W
0
D4
DVOL4
DVOR4
R/W
1
D3
DVOL3
DVOR3
R/W
1
D2
DVOL2
DVOR2
R/W
0
D1
DVOL1
DVOR1
R/W
0
D0
DVOL0
DVOR0
R/W
0
DVOL7-0, DVR7-0: Output Digital Volume 2 (Table 41)
Default: “18H” (0dB)
Addr
15H
Register Name
BEEP Control
R/W
Default
D7
D6
D5
D4
D3
BPCNT BPVCM BPM1 BPM0
0
R/W
R/W
R/W
R/W
R
0
0
0
0
0
D2
D1
D0
0
BPFR1 BPFR0
R
R/W
R/W
0
0
0
BPFR1-0: BEEP Output Frequency Setting (Table 48, Table 49)
Default: “00H”
BPM1-0 bits: BEEP Mode Select (Table 43)
Default: “00” Internal Resistance Mode
BPVCM: Common Voltage Select of MIN input Amp
0: typ. 1.15V (default)
1: typ. 1.65V
BPCNT: BEEP Output Mode Select
0: Discontinuous Output Mode: Beep is output for the number of times that is set by BPTM6-0 bits. (default)
1: Continuous Output Mode: Beep is output while BPCNT bit = “1”.
Addr
16H
Register Name
BEEP ON Time
R/W
Default
D7
BPON7
R/W
0
D6
BPON6
R/W
0
D5
BPON5
R/W
0
D4
BPON4
R/W
0
D3
BPON3
R/W
0
D2
BPON2
R/W
0
D1
BPON1
R/W
0
D0
BPON0
R/W
0
BPON7-0: BEEP Output ON Time Setting (Table 51, Table 52)
Default: “00H”
Addr
17H
Register Name
BEEP OFF Time
R/W
Default
D7
BPOFF7
R/W
0
D6
BPOFF6
R/W
0
D5
BPOFF5
R/W
0
D4
BPOFF4
R/W
0
D3
BPOFF3
R/W
0
D2
BPOFF2
R/W
0
D1
BPOFF1
R/W
0
D0
BPOFF0
R/W
0
BPOFF7-0: BEEP Output OFF Time Setting (Table 53, Table 54)
Default: “00H”
Addr
18H
Register Name
BEEP Repeat Count
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
BPTM6 BPTM5 BPTM4 BPTM3 BPTM2 BPTM1 BPTM0
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
BPTM6-0: BEEP Repeat Time Setting (Table 55)
Default: “00H”
MS1343-E-00
- 91 -
2011/12