User`s manual

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