Input And Output Signals - Citizen IDP-460 Bedienungsanleitung

6.3 Input and Output Signals

6.3.1 Input and Output Signals
(1) Input signals to the printer
• DATA
• STB
(2) Output signals from the printer
• ACK
• BUSY
• FAULT
• HI-LEVEL : Connected to VCC via a 3.3kΩ resistor.
(3) Power related signal
• GND
: An 8-bit parallel signal. (Positive logic)
: A strobe signal to read the 8-bit data. (Negative logic)
: An 8-bit data request signal.
signal.(Negative logic)
: A signal to indicate the BUSY status of the printer.
"LOW."(Positive logic)
: A signal turned to "LOW" when the printer has an alarm.
control circuits in the printer stop.(Negative logic)
: Common ground on the circuits
A pulse signal output at the end of the BUSY
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iDP-460 User's Manual
Input new data when at
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