Casio EX-468 - Page 20

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5-2. LSI BLOCK DIAGRAM
RS232C
FROM
IC19
CPU (SH3)
IC33
Backup
SDRAM
IC18
buffer
buffer
buffer
GA
IC10
I/O
CONTROLLER
IC21
PR
PR
ARC-NET
232C
232C
232C
3.3V or 5V
PCMCIA
CF-CARD
LCD
CONTROLLER
IC13
E-STAMP
LCD
5V
5V
CPU BUS
SERIAL
SERIAL
Note: 3.3V unless otherwise specified
Backup Vrtc only
1.9V + 3.3V
3.3V
5V