Canon MP 1000 manual Pin assignments, No. Signal

Pin assignments

The following table lists the signals and input/output status of the pin assignments used for parallel communication. (The names in parentheses show the signals when you use the MultiPASS 1000 as a normal printer.)

No. Signal I/O No. Signal I/O

1

(STROBE)

IN

19

STROBE-RET1

HOSTCLK

2

(DATA 1)

IN/OUT

20

DATA 1-RET

3

(DATA 2)

IN/OUT

21

DATA 2-RET

4

(DATA 3)

IN/OUT

22

DATA 3-RET

5

(DATA 4)

IN/OUT

23

DATA 4-RET

6

(DATA 5)

IN/OUT

24

DATA 5-RET

7

(DATA 6)

IN/OUT

25

DATA 6-RET

8

(DATA 7)

IN/OUT

26

DATA 7-RET

9

(DATA 8)

IN/OUT

27

DATA 8-RET

10

OUT

28

-RET

(ACKNLG)

ACKNLG

PTRCLK

11

(BUSY) PTRBUSY

OUT

29

BUSY-RET

12

(P.E.)

OUT

30

PAPER END-RET

ACK DATA REQ

13

XFLAG

OUT

31

(SELECT)

(INIT)

14

2)

32

(AUTO FEED XT

(ERROR)

HOST BUSY

DATA AVAIL

15

NO CONNECTION

33

GND

16

GND

34

NO CONNECTION

17

GND

35

+5.0V3

18

PERIPHERAL

36

2)

(SELECT IN

LOGIC HIGH4

1284 ACTIVE

1All RETs are connected to GND.

2These signals are valid only in Epson LQ printer control mode.

3The level is raised to +5.0V at 3.3k Ω register.

4The level is raised to +5V at 390 Ω register.

IN

OUT

OUT

A-6Specifications Appendix A