AK5730 Datasheet, PDF (43/50 Pages) Asahi Kasei Microsystems – 4-Channel Differential Audio ADC for Line & Mic Inputs

MBS3-0: Mic bias voltage setting
MBS3-0
Bias Voltage
00H
5V
(default)
01H
5.5V
02H
6V
03H
6.5V
04H
7V
05H
7.5V
06H
8V
07H
8.5V
08H
9V
09H
Hi-Z
0AH-0FH
(reserved)
Table 17. MIC Bias Voltage Setting
[AK5730]
Addr
02H
Register Name
Input mode
R/W
Default
D7
LIN41
R/W
0
D6
LIN40
R/W
0
D5
LIN31
R/W
0
D4
LIN30
R/W
0
D3
LIN21
R/W
0
D2
LIN20
R/W
0
D1
LIN11
R/W
0
D0
LIN10
R/W
0
LIN*1-*0: Mic/Line select for each ADC*
00: Mic mode (Default)
01: LINE and Phone mode
10: Booster input mode
11: Internal unbalanced sources mode. No diagnosis is performed for internal connections.
Addr
03H
04H
05H
06H
Register Name
ADC1 Volume Control
ADC2 Volume Control
ADC3 Volume Control
ADC4 Volume Control
R/W
Default
D7
ATT17
ATT27
ATT37
ATT47
R/W
0
D6
ATT16
ATT26
ATT36
ATT46
R/W
0
D5
ATT15
ATT25
ATT35
ATT45
R/W
0
D4
ATT14
ATT24
ATT34
ATT44
R/W
1
D3
ATT13
ATT23
ATT33
ATT43
R/W
1
D2
ATT12
ATT22
ATT32
ATT42
R/W
0
D1
ATT11
ATT21
ATT31
ATT41
R/W
0
D0
ATT10
ATT20
ATT30
ATT40
R/W
0
ATT*7-*0: ADC* Volume Control
refer to Table 7
Addr
07H
Register Name
Monitor Summary
R/W
Default
D7 D6
D5
D4
D3
D2
D1
D0
0
0
0
0
ADC4 ADC3 ADC2 ADC1
RD RD
RD
RD
RD
RD
RD
RD
0
0
0
0
0
0
0
0
ADC4-1: Error Monitor for each ADC
0: No error detected.
1: Error detected. set INT pin “Hi-z”. Returns to “L” when INTR bit = “1”.
Rev 0.8
- 43 -
2013/06