Citizen Systems iDP-3535

iDP-3535 User’s Manual

CITIZEN 22/38

6-3 Description of Input / Output Signals

1. Input / Output Signals

Input Signals (To Printer)

DATA 1 : 8 bit signal (Positive logic)

DATA 2 : 8 bit signal (Positive logic)

DATA 3 : 8 bit signal (Positive logic)

DATA 4 : 8 bit signal (Positive logic)

DATA 5 : 8 bit signal (Positive logic)

DATA 6 : 8 bit signal (Positive logic)

DATA 7 : 8 bit signal (Positive logic)

DATA 8 : 8 bit signal (Positive logic)

STB : A strobe signal for reading in 8 bit data. (Negative logic)

RESET : RESET signal. (Negative logic)

Output Signals (From Printer)

ACK : This is pulse signal for requesting 8 bit data, issued at the end of a BUSY signal. (Negative logic)

BUSY : This signal indicated that your printer is in a BUSY state. New data should be input when this

signal is “LOW”. (Positive logic)

FAULT : When your printer is in an alarm state, this signal is “LOW”. At this time, all control circuit of

your printer are interrupted. (Negative logic)