AK2347B Datasheet, PDF (22/34 Pages) Asahi Kasei Microsystems – Two-way Radio Audio & Sub-Audio Processor

ASAHI KASEI
[AK2347B]
2.4) Volume Register 2
Address
A3
A2
A1
A0
0
0
1
1
When power-down
D7
FILSW2
1
D6
FILSW1
1
D5
VR25
1
Data
D4
D3
VR24 VR23
1
0
D2
VR22
0
D1
VR21
0
D0
VR20
0
FILSW2
1
0
0/1
FILSW1
1
1
0
Function
FILTERO pin output is muted.
RXLPF circuit signal is output on FILTERO pin.
TX/RX_HPF circuit signal is output on FILTERO pin.
Remarks
VR25
0
1
VR2 gain (dB)
-6.4
0.0
VR24
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
MS1419-E-00
VR23
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
VR22
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
VR21
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
- 22 -
VR20
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
VR2 gain (dB)
-3.2
-3.0
-2.8
-2.6
-2.4
-2.2
-2.0
-1.8
-1.6
-1.4
-1.2
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
+0.2
+0.4
+0.6
+0.8
+1.0
+1.2
+1.4
+1.6
+1.8
+2.0
+2.2
+2.4
+2.6
+2.8
+3.0
2012/05