User`s manual

CBM-202PC User’s Manual
8
CITIZEN
3.3 TERMINAL PIN CONFIGURATION
PIN NO. SIGNAL NAME I/O FUNCTION LOGIC
1 VCC
−
VCC
−
2 LFSW I LF switch input LOW
3 LEDER O Error LED output LOW
4 LEDPE O Paper end LED output LOW
5 NC
−
NC
−
6 NC
−
NC
−
7 NC
−
NC
−
8 DRQ I DMA request LOW
9 NC
−
NC
−
10 RESO O Watchdog output LOW
11 VSS
−
GND
−
12 DTR O Serial DTR (RS-232C) HIGH
13 TXD O Serial TXD (RS-232C) HIGH
14 DI I Print head output data HIGH
15 RXD I Serial RXD (RS-232C) HIGH
16 CP I Print head clock HIGH
17 NC
−
NC
−
18 CTSW I Cutter switch input LOW
19 NC
−
NC
−
20 NC
−
NC
−
21 NU
−
RESERVED
−
22 VSS
−
GND
−
23 MOTORA O Motor A
−
24 MOTORB O Motor B
−
25 MOTORA O Motor A
−
I = Input, O = Output, I/O = Input/Output