Bb-electronics Parallel Printer Card PIOC Instrukcja Użytkownika Pobierz pdf (Strona 3)

2 Documentation Number PIOC2595 Manual

B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350

PH (815) 433-5100 -- FAX (815) 433-5105

Table 1 - Printer Functions

Setting the Address

The base address of the PIOC is set using a eight-position DIP

switch, SW1. The eight positions correspond to the I/O address lines

of A2 through A9 (see Table 2). If you set the a switch OFF the

corresponding I/O address line will be a ZERO and if you set it ON

the corresponding I/O address line will be a ONE. The factory

default address setting is 378h. To set the card to the 378h address

you must set A2 and 7 OFF and A3, 4, 5, 6, 8, and 9 ON. Table 3

shows the settings for LPT1 and LPT2.

PIOC DB-25

Connector

Printer

Function

1 Strobe

2 Data Bit 1

3 Data Bit 2

4 Data Bit 3

5 Data Bit 4

6 Data Bit 5

7 Data Bit 6

8 Data Bit 7

9 Data Bit 8

10 Acknowledge

11 Busy

12 Paper End

13 Select

14 Auto Feed

15 Error

16 Initialize Printer

17 Select Input

18 - 25 Ground

1 2 3 4 5 6 7 8 ... 15 16

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Bb-electronics Parallel Printer Card PIOC Instrukcja Użytkownika Strona 3