Star Micronics LS-5 EX Pin Functions On Interfaces, Signal Pin No. Name, DirectionFunction

9.3 PIN FUNCTIONS ON INTERFACES

●Paralle interface

Signal Pin No. Name

1 STROBE

DirectionFunction

IN	Goes from High to Low (for at
	least 0.5 microseconds) when
	data are valid.

2	DATA1	IN
3	DATA2	IN
4	DATA3	IN	Eight-bit character data.
5	DATA4	IN	DATA8 is the most significant
6	DATA5	IN	bit; DATA I is the least
			significant bit. High is logic 1
7	DATA6	IN
			and Low is logic O.
8	DATA7	IN
9	DATA8	IN
10	ACK	OUT	A low pulse acknowledges
			receipt of data.
11	BUSY	OUT	Low when the printer is ready
			to accept data.
12	PAPER	OUT	Goes High if the printer runs
	OUT		out of paper.
13	SELECTED	OUT	High when the printer is on line
14-15	N/C		Unused
16	SIGNAL		Signal ground.
	GND
17	CHASSIS		Printer’s chassis ground,
	GND		isolated from signal ground.
18	+5VDC	OUT	External supply of +5VDC
19-30	GND		Twisted pair return signal
			ground level.
31	RESET	IN	Low input resets the printer to
			its power-on condition.
32	ERROR	OUT	Goes low to signal that the
			printer cannot print due to an
?? ?L			error condition.
	NT /fl		1 I—... -2

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