Input And Output Signals - Citizen iDP-460 User Manual

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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. Input new data when at

"LOW."(Positive logic)

: A signal turned to "LOW" when the printer has an alarm. At this time, all the control

circuits in the printer stop.(Negative logic)

: Common ground on the circuits

A pulse signal output at the end of the BUSY

iDP-460 User's Manual

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