User`s manual

BD2-1220/1221 User’s Manual
29
11. BLOCK DIAGRAM
OSC
20.0MHz
Flash
Memory
RAM
Gate
Array
DIP-SW
JUMPER
Driver
CPU
Driver
Timing
Driver
Auto
Cutter
Paper
Near
End
Sensor
Reset
CN2
CN2
Stepping
Motor
LF-SW, ERROR, PEOUT
Parallel Interface
(Centronics Compliant)
Power Source
(DC5V, DC24V)
Serial Interface
(RS-232C Compliant)
Paper End
Sensor
Head up
Sensor
CN3CN4CN1
P
R
I
N
T
H
E
A
D
CN5
CN6