AK2346A Datasheet, PDF (20/37 Pages) Asahi Kasei Microsystems – Two-way Radio Audio Processor

ASAHI KASEI
[AK2346A]
Data
Function
TXA2PW
TXA2 power down
control
MSKSL Modem data rate
FCLN Modem flame detect
FSL RDF/FD Switch
HPFSW TX/RX_HPF
Operation
0
1
TXA2 power down
TXA2 operation
2400bit/s
ON (enable)
FD enable
OFF (bypass)
1200bit/s
OFF (disable)
RDF enable
ON (active)
Notes
However in case of
mode0, TXA2 comes
to power down.
2.4) Volume Register 1
Address
A3 A2 A1 A0 D7
0
0
1
1
0
Initial Value
0
VR13
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
VR12
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
D6
D5
0
0
0
0
VR11
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Data
D4
D3
0
VR13
0
1
D2
VR12
1
D1
VR11
0
D0
VR10
0
VR10
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
VR1 gain(dB)
-18.0
-16.5
-15.0
-13.5
-12.0
-10.5
-9.0
-7.5
-6.0
-4.5
-3.0
-1.5
0.0
+1.5
+3.0
+4.5
MS1289-E-02
- 20 -
2012/06