Sam4s ER-250RF - Block Diagram

SAM4S ER-350 SERIES 8-1
8 Block Diagram
Figure8-1 System Block Diagram
ROM
(Program)
RTC
(RP5C15)
Drawer
Driver
Fiscal
Control
Mode Key
Key Board
RAM
(Data)
Fiscal
EPROM
Cash
Drawer
Clock
32.768kHz
Battery
(Back-Up)
RESET
Printer
Driver
Display
Driver
/int1
Display
Driver
Power Fail
(/INTO)
Clock
12MHz
CPU
80C32
80C52
78C32B
Display
Driver
Rear
Display
Front
Display
Printer
ERP-200N
Power
Part
Vpp
V
DI
V
F