Seiko DPU-414 Guide de l'utilisateur télécharger pdf (Page 45)

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6.2 Interface Specifications

Parallel

(1) Specifications

Data input: 8 bits parallel (Centronics)

Handshake:

STROBE , BUSY, and ACK

(2) Connector signal description

Pin no. Signal I/O Function

1 STROBE Input Data strobe

2 to 9

DATA

0 to 7

Input

Carries the input data 1 when high and 0

when low

10 ACK Output Signal showing that data is received

11 BUSY Output Signal showing that data cannot be received

12 PE Output Signal showing that there is no paper

13 SLCT Output Signal showing that the printer is ONLINE

14 LFAUTO・ Input

When this signal is low at power-on, one line

feed is performed at carriage return

15 N.C.  No connection

16 GND  Ground

17 FG  Frame Ground

18 N.C.  No connection

19 to 30 GND  Twist, pair, and ground for return signal

31 INIT Input Initialize

32 ERROR Output Signal showing that there is an error

33 GND  Ground

34 N.C.  No connection

35 and 36 +5V  Normally, pulled up at 4.7k at high

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Seiko DPU-414 Guide de l'utilisateur Page 45