AK4640_05 AKM [Asahi Kasei Microsystems], AK4640_05 Datasheet - Page 60
AK4640_05
Manufacturer Part Number
AK4640_05
Description
16-Bit ?? CODEC with MIC/HP/SPK-AMP
Manufacturer
AKM [Asahi Kasei Microsystems]
Datasheet
1.AK4640_05.pdf
(78 pages)
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ASAHI KASEI
MS0273-E-02
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
- 60 -
−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]
2005/04
GN0
R/W
D0
1
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