AK4538 Datasheet, PDF (56/70 Pages) Asahi Kasei Microsystems – 16Bit DS CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
[AK4538]
Addr
0EH
Register Name
Volume Control
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
ATTM ATTS2 ATTS1 ATTS0 GN3
GN2
GN1
GN0
RD
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
1
0
1
0
1
1
1
GN3-0: Volume of AUX In (see Table 22)
ATTS2-0: Attenuator select of signal from MIC IN to Stereo Mixer. (See Table 15)
ATTM: Attenuator control for signal from MIC IN to Mono Mixer
0: OFF. 0dB (Default)
1: ON. -4dB
Addr
0FH
Register Name
Status
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
0
0
0
DTMIC
RD
RD
RD
RD
RD
RD
RD
RD
0
0
0
0
0
0
0
0
DTMIC: Microphone Detection Result
0: Microphone is not detected.(Default)
1: Microphone is detected.
MS0198-E-01
- 56 -
2003/5