ak4640 ETC-unknow, ak4640 Datasheet - Page 59

• Manufacturer Part Number: ak4640
• Description: 16bit Codec With /hp/spk-ampl
• Manufacturer: ETC-unknow

ASAHI KASEI
MS0273-E-00
Addr
0EH
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)
ATTM:
0: OFF. 0dB (Default)
1: ON. −4dB
Register Name
Volume Control
Default
Attenuator control for signal from MIC IN to Mono Mixer
R/W
ATTM
ATTS2-0
R/W
D7
0
7H
6H
5H
4H
3H
2H
1H
0H
Table 33. Attenuation Table
ATTS2
R/W
D6
1
Attenuation
−12dB
−15dB
−18dB
−21dB
−24dB
−27dB
- 59 -
−6dB
−9dB
ATTS1
R/W
D5
0
ATTS0
R/W
D4
Default
1
GN3
R/W
D3
0
GN2
R/W
D2
1
GN1
R/W
D1
1
[AK4640]
2004/03
GN0
R/W
D0
1