Addlogix iDP-3410 user manual Input and Output Signals, Select

iDP-3410 User’s Manual

9.3Input and Output Signals

9.3.1Input and Output Signals

(1)Input signals to the printer

∙	DATA		: An 8-bit parallel signal. (Positive logic)
∙			: A strobe signal to read the 8-bit data. (Negative logic)
	STB
∙			: A signal to reset the printer from the outside.(Negative logic)
	RESET
(2) Output signals from the printer
∙			: An 8-bit data request signal. A pulse signal output at the end of the BUSY signal.
	ACK
∙			(Negative logic)
	BUSY		: 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
		FAULT
∙			circuits in the printer stop. (Negative logic)
	SELECT		: A signal to show whether the printer is selected(on-line) or deselected.(Positive
∙			logic)
	COMPULSION
∙ PE:			: A signal to show the status of the drawer switch.(Positive logic)
			A signal to show that the paper has run out. Normal at the "LOW" level, but turned to

		the "HIGH" level when the paper has run out.
(3) Power related signal
∙	GND	: Common ground on the circuits
∙	Vcc	: A +5V signal. Connected via a 3.3kΩ resistor.