Citizen CLP-7001, CLP-7401, CLP-7002 user manual Strobe

Appendixes

2 Specifications

• Interface Specifications

￿	Parallel interface pin assignment table
	Pin No.				Signal	Input/Output		Description
	1					Input	8-bit data reading signal
				STROBE
	2−9	DATA1-8				Input	8-bit parallel signal
	10	ACKNLG				Output	8-bit data request signal
	11	BUSY				Output	Signal	specifying printer	Busy
	12	PERROR				Output	Signal	specifying paper	out
	13	SELECT				Output	Signal specifying printer ‘ON LINE’
							(printing enabled) or ‘OFF LINE’
							(pausing)
	14					Input	Invalidness (ignorance)
			AUTOFD
	15	NC				−	Not used
	16	S.GND				Output	Signal	ground
	17	FGND				Output	Frame ground
	18	P.L.H				Output	Signal specifying Peripheral Logic
							High (pull up to +5V with 2 KΩ]
	19−30	GND				Output	Ground for twisted pair return
	31	INIT				Input	Printer	reset
	32	FAULT				Output	Signal	specifying printer	error
	33−35	NC				−	Not used
	36	SELECTIN				Input	Invalidness (ignorance)

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