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Signal lines and pin arrangement – CBM America CBM-262 User Manual

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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.

13

SELECT

OUT

Indicates whether the printer is in the Online state or
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.

Parallel Interface