CBM America CBM-262 user manual Signal Lines and Pin Arrangement, Function

Parallel Interface

Signal Lines and Pin Arrangement

Pin No.	Signal Name	Direction	Function
1	*STROBE	IN	Synch signal for reading DATA 1-8.
2	DATA1
3	DATA2
4	DATA3
5	DATA4	IN	8-bit parallel data
6	DATA5		(DATA1: LSB, DATA8: MSB)
7	DATA6
8	DATA7
9	DATA8
10	*ACK	OUT	Data request signal output when ready for receiving
			data.
			Goes “Low” when ready to receive data, and “High”
			when not ready.
			Goes “High” under the following conditions.
11	BUSY	OUT	• Printer is in an error state.
			• The buffer is full and data cannot be received.
			• After receiving the INIT signal, after printing of the
			data in the buffer, during the interval until initialization
			is completed.
12	PE	OUT	In the case that “Paper End” detection is enabled by the
			control code, it goes “High” during the paper end state.
			Indicates whether the printer is in the Online state or
13	SELECT	OUT	the Offline state.
			Goes “Low” when a printer error occurs.
14			Not used.
15			Not used.
16	GND		Signal line ground.
17	FG		Connected to the printer case.
18	+5V		Connected to +5 V inside the printer. (Cannot be used
			by the customer.)
19-30	GND		Signal line ground.

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