Citizen Systems iDP-460 user manual Input and Output Signals

•

DATA

: An 8-bit parallel signal. (Positive logic)

•

STB

: A strobe signal to read the 8-bit data. (Negative logic)

(2) Output signals from the printer

•

ACK

: An 8-bit data request signal. A pulse signal output at the end of the

BUSY signal.(Negative logic)

•

BUSY

: A signal to indicate the BUSY status of the printer. Input new data

when at "LOW."(Positive logic)

•

FAULT

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

all the control circuits in the printer stop.(Negative logic)

• GND

: Common ground on the circuits

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