Casio A-10 - Block Diagram

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10 M 32.768 K
1.8432M
PLL X4
40 MHz
CPU
HD6417096 (U1)
Gate Array
MBCG25942-5110
(U4)
PCMCIA
Card
RAM 2 Mbyte (U7)
ROM (Memory Slot)
4 Mbyte
(U301)
(U8)
UPD42S16165LG5
SYSTEM LSI
MB87A908A (U3)
LCD
EL
Voltage Generator
LA5312 (U601)
Contrast
Dial
LCD unit
EL Driver
HV803
(IC801)
Touch Panel
Keyboard
Audio Amp.
MC34119
(U5)
SP
Notification LED
Mini Jack
IrDA
IrDA Transceiver
RS232C Transceiver
TFDS3000
MAX3241
(U6)
(U18)
RS232C 
Connector
Power Supply
Circuit
ACL
Voltage Detector
Recharger
+3.3 V +5 V +24.0 V
AAX2
Alkaline
or
NiMH
CR2032
BLOCK DIAGRAM
A-10: 2 Mbyte
A-11: 4 Mbyte