Citizen CBM-202PC-04 User Manual page 9

Pin No. Signal
1 VCC
2 LFSW
3 LEDER
4 LEDPE
5 NC
6 LATCH
7 PAPER
8 DRQ
9 NC
10 RES0
11 VSS
12 DTR
13 TXD
14 DI
15 RXD
16 CP
17 NC
18 CTSW
19 NC
20 NC
21 NU
22 VSS
23 MOTORA
24 MOTORB
25 MOTORA
Note) For notation of the signals whose logic is "LOW"(Negative), a representation of
XXX(Upper line) will be omitted for the subsequent notations.
I/O
– VCC
Input LF switch input
Output Error LED output
Output Paper end LED output
– NC
Output Head latch signal
Input Paper end input NC
Input DMA request
– NC
Output Watchdog output
– GND
Output Serial DTR (RS-232C)
Output Serial TXD (RS-232C)
Input Print head output data
Input Serial RXD (RS-232C)
Input Print head clock
– NC
Input Cutter switch input
– NC
– NC
– RESERVED
– GND
Output Motor A
Output Motor B
Output Motor A
Function
9
CBM-202PC-04 User's Manual
Logic
–
LOW
LOW
LOW
–
LOW
HIGH
LOW
–
LOW
–
HIGH
HIGH
HIGH
HIGH
HIGH
–
LOW
–
–
–
–
–
–
–
CITIZEN