Citizen BD2-2860, User Manual

Page: 16 / 81

BD2-2860 User’s Manual
CITIZEN 16
6. PARALLEL INTERFACE
6.1 Specifications
Data input method : 8 bit parallel signal (DATA0~7)
Control signals : ACK, BUSY, STB, FAULT, PE, RESET
6.2 Explanation of Input /Output Signals
DATA0~7 : 8 bit parallel signal (Positive logic)
STB : Strobe signal to read 8 bit data (Negative logic)
RESET : Signal to reset control board (Negative logic)
ACK : 8 bit data request signal. Pulse signal output at the end of the BUSY signal
(Negative logic)
BUSY : Signal to indicate BUSY state of the printer, Input new data for "LOW"
(Positive logic)
FAULT : Signal which is made "LOW" when printer is in alarm state.(Negative logic)
PE : Signal which is output when paper runs out.(Positive logic)