AK2346B Datasheet, PDF (15/31 Pages) Asahi Kasei Microsystems – Two-way Radio Audio Processor

ASAHI KASEI
[AK2346B]
13. Serial Interface Configuration
1) Register Configuration
Address
A2 A1 A0
Function
0 0 0 Control register 1
0 0 1 Control register 2
0 1 0 Volume register 1
0 1 1 Volume register 2
1 0 0 Volume register 3
1 0 1 MODEM register 1
1 1 0 MODEM register 2
1 1 1 Test register
- - - MODEM register 3
D7
BS3
-
-
-
-
TST7
Data
D6
D5
D4
D3
D2
D1
BS2
BS1 TXRX TXSW2 TXSW1 RXSW
-
TC
EM PCONT SPL MSKSL
-
-
-
-
VR12 VR11
-
VR25 VR24 VR23 VR22 VR21
VR33 VR32 VR31 VR30 VR42 VR41
Lower 8 bit of MODEM Flame pattern
Upper 8 bit of MODEM Flame pattern
TST6 TST5 TST4 TST3 TST2 TST1
MODEM Receive data
D0
FSL
FCLN
VR10
VR20
VR40
TST0
2) Register Map
2.1) Control Register 1
Address
Data
A2
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
BS3
BS2
Reset
0
0
2.1.1) Operation mode setting
BS3
BS2
BS1
Mode
0
0
0
Mode0
0
0
1
Mode1
0
1
0
Mode2
0
1
1
Mode3
1
0/1
0/1
Mode4
2.1.2) TX, RX Setting
Data
Function
0
BS1 TXRX TXSW2 TXSW1 RXSW FSL
0
1
1
1
1
1
OSC, AGND
OFF
ON
ON
ON
ON
TX, RX, Audio
OFF
OFF
ON
OFF
ON
MODEM
OFF
OFF
OFF
ON
ON
Operation
1
Notes
TXRX TX, RX Switch
TX Operation
Note 1
RX Operation
Note 2
Note 3
RXSW RX Audio
Mute
Active
FSL RDF/FD Switch
FD enable
RDF enable
2.1.3) TX audio path setting
TXSW2 TXSW1
Operation
0
0 External Tone Operation (EXTLIMIN --- Limiter --- Splatter)
0
1 MODEM Operation
(MSK Modulator --- Splatter)
1
0 Audio Operation
(HPF --- Limiter --- Splatter)
1
1 Mute
(AGND --- Limiter --- Splatter)
Note 4
Notes
MS1409-E-00
- 15 -
2012/05