AK4640_05 Datasheet, PDF (60/78 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
[AK4640]
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
R/W
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 Control of AUX In (see Table 19)
ATTS2-0: Attenuator select of signal from MIC IN to Stereo Mixer (see Table 33)
ATTS2-0
Attenuation
7H
−6dB
6H
−9dB
5H
−12dB
Default
4H
−15dB
3H
−18dB
2H
−21dB
1H
−24dB
0H
−27dB
Table 33. Attenuation Table
ATTM: Attenuator control for signal from MIC IN to Mono Mixer
0: OFF. 0dB (Default)
1: ON. −4dB
MS0273-E-02
- 60 -
2005/04