GD-1060 CIRCUIT DESCRIPTION
5 - 8
January 2001 © TOSHIBA TEC
5.3 FAX PWA
The FAX PWA consists of the CODEC (IC1) for facsimile communication, 256k-bit SRAM (IC2, IC3) used
as work memory for the CODEC, V.34 MODEM (IC4), and other peripheral devices. It codes/decodes and
modulates/demodulates the facsimile transmit/received data and performs backup control for the fac-
simile data.
The FAX PWA is connected to CN6 of the Main PWA.
Fig. 5-3-1
CN101
CN102
FAX PWA
IC4
V.34 MODEM
Backup circuit
IC1
CODEC
IC2
SRAM
256kbit
IC3
SRAM
256kbit
SG
BATG
BATV
+5V,5VPS
BATVCC
RX1
TX1
SA1~5
ASD0~15
ASD0~15
ASD0~7
PM1ID0~15
PM1OD0~15
RD0~7
RA0~12,14
ALD0~7
Battery
(MiNH)
CN6
Main PWA
05-03-01