Citizen iDP3310 User Manual

iDP3310 User's Manual

22

CITIZEN

6.3.1  Input and Output Signals

(1) Input Signals to the Printer

•

DATA

: 8-bit parallel signal. (Positive logic)

•

STB

: Strobe signal to read 8-bit data. (Negative logic)

•

RESET

: Signal to reset the entire printer (Negative logic) 1m sec more

(2) Output Signals from Printer

•

ACK

: An 8-bit data request signal.  Pulse signal output at the end of the BUSY signal.(Negative

logic)

•

BUSY

: The signal to indicate BUSY state of the printer.  Input new data for "LOW."(Positive logic)

•

FAULT

: The signal which is made "LOW" when the printer is in alarm state.  All the control circuit

inside the printer are stopped at this time.(Negative logic)

•

SELECT : The signal which is made "HIGH" when the printer is ready to receive the data. (Positive

logic)

(3) Power related signal

•

GND

: This is the common ground for the circuits.