Fujitsu C145-C037-01EN manual Parallel interface signals, Return Signal Pin Line pin

Output circuit: SN74LS06 or equivalent

Figure 5.2 shows the parallel interface output circuit.

+5 V

1 kΩ

Figure 5.2 Parallel interface output circuit

5.2.2Connector pin assignment

Connector (cable side): Shielded plug Amphenol DDK57FE-30360 or equivalent

Figure 5.3 shows the parallel interface connector.

1

19

18

(Cable side) (Male type)

36

Figure 5.3 Parallel interface connector (IEEE1284-B)

Signal definition:

Table 5.1 lists parallel interface signals and their functions.

				Table 5.1	Parallel interface signals
Connector	Return		Signal
pin	line pin	Compati mode			Direction	Description
number	number			Nibble mode
1	19				Input	• Strobe pulse for reading data (Data 1 to Data 8).
		Data Strobe
			(DSTB)			The printer reads data when this signal is low.
						• The pulse width must be 0.5 μs or more at the
						printer’s receiving terminal.
				Host Clock		This signal is set high when the host requests the
						reverse data transfer phase (nibble mode).

5-2