KX-TGP600RUB, KX-TPA60RUB - Panasonic Telephone Service Manual (repair manual). Page 11

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11
KX-TGP600RUB/KX-TPA60RUB
4.5.
Circuit Operationn (Base Unit)
General Description:
IC101(DVF99) is main IC which controls almost IC's in this system.
IC300 (DCX81) runs as DSP and RF circuit.
4.5.1.
IC300, IC101
IC101 is a digital speech/signal processing system that implements all the functions of speech compression. 
The DSP system is fully controlled by a host processor DSP. The host processor provides activation and control of all these func-
tions. IC300 is a BMC controll and signal processing system to transmitte signal to Handsets
4.5.2.
Flash Memory (IC102, IC301)
Following information data is stored.
• Settings
ex: message numbers, ID code, MAC address, Phone book.
•  IP-Phone Application program and config Data are stored.
4.5.3.
DDR3 RAM (IC100)
This IC is working memory for IC 101(DVF)
FLASH
IC300
DCX81
(SubDSP)
TDMIF
TDMIF
MII IF
IC200
PHY
RF 
ADPCM
ADPCM
Digital
Speech
Processor
IC101
DVF 
(CPU&DSP)
ETHERNET 
INTERFACE
Ethernet MAC
&
VOIP CODEC
TDD /TDMA
with  FHSS
Processor
ARM
ARM
IC102
IC100
SDRAM
FLASH
IC301
LED x2
KEY
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