7
KX-TG254SK/KX-TGA470S
4 Technical Descriptions
4.1.
Circuit Configuration of TG773x Series Phones
TG773x consists of DECT cordless telephone and Bluetooth Module.
Both voices of transmission and reception are transferred by PCM.
BBIC on DECT side controls the cordless telephone system, which makes control data communication with BT_IC on BT
Module in serial data.
DECT6.0
Bluetooth
Headset
Bluetooth Devices
Cellular Phone
(For Link to Cell
communication)
TGA470
Handset
PSTN
DC
5.5V
BBIC
FLASH IC601
(TAM)
EEPROM IC611
(Data)
TEL I/F
POWER
QSPI FLASH
IC502
(Program)
Main PCB
Audio signal
(PCM)
Control/Data
Bluetooth
Bluetooth
signal
(UART)
BT_Module
(IC721)
(IC501)
SPEAKER
Содержание KX-TG7733M
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