Casio FE-700 MEX - Block Diagram (Circuit)

— 4 —
4-2. BLOCK DIAGRAM (CIRCUIT)
MAIN DISPLA
SH101MAY
CUSTOMER DISPLAY
SH101MA
Segment & Digit data
Sensor signal
uPD16312GB-3B4
DRWS
PNES
Mode
Key
Keyboard
FPC
FISCAL ROM
D0~D7
A0~A7
A8~A15
A8~A15
AD0~AD7
ROM
RAM
AD0~AD7
Address data bus
A0~A7
MD
Reset circuit
S80719AN
Head drive cuicuit
HD.A~HD.H
PWD detection
VPP sensor circuit
RS232C circuit
DI,DO,CLK,STB
FB0~FB5
KC0~KC4
AD0~AD5
Select addess
Printer
M190G
FD
CPU
uPD78052G-A46-8BT