Citizen Systems CLP-8301 user manual Parallel interface

Chapter 9 Specifications

2 Parallel interface

Specifications
Transfer method:	8-bit parallel (compatibility mode)
Synchronous:	Strobe pulse
Handshaking:	ACKNLG and BUSY signals
Signal level:	TTL
Printer side:	36-pin non-phenol type

Pin assignment

Pin No.	Signal	Input/Output	Description
1	STROBE	Input	Strobe signal to read 8-bit data
2-9	DATA1-8	Input	8-bit parallel data signal
10	ACKNLG	Output	8-bit parallel data request signal
11	BUSY	Output	Signal to indicate printer ‘Busy’
12	PERROR	Output	Signal to indicate paper out
13	SELECT	Output	Signal to indicate printer on line or off line
14	N.C	-	Not used
15	NC	-	Not used
16	GND	-	Ground
17	F.GND	-	Frame ground
18	N.C	-	Not used
19-30	GND	-	GND
31	INIT	Input	Printer reset
32	FAULT	Output	Signal to indicate printer error
33-35	N.C	-	Not used
36	N.C	-	Not used

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