Kontron KT690-mITX (BGA) - dual core Instrukcja Użytkownika Pobierz pdf (Strona 45)

KT690 Family

KTD-00738-J

Public

User Manual

Date 2012-06-01

Page

Printer Port Connector (PRINTER). 4.9

The signal definition in standard printer port mode is as follows:

Note

Pull

U/D

Ioh/Iol

Type

Signal

Type

Ioh/Iol

Pull

U/D

Note

2K2

(24)/24

OC(O)

STB#

AFD#

OC(O)

(24)/24

2K2

24/24

PD0

ERR#

2K2

24/24

PD1

INIT#

OC(O)

(24)/24

2K2

24/24

PD2

SLIN#

OC(O)

(24)/24

2K2

24/24

PD3

GND

PWR

2K2

24/24

PD4

GND

PWR

2K2

24/24

PD5

GND

PWR

2K2

24/24

PD6

GND

PWR

2K2

24/24

PD7

GND

PWR

2K2

ACK#

GND

PWR

2K2

BUSY

GND

PWR

2K2

GND

PWR

2K2

SLCT

GND

PWR

The interpretation of the signals in standard Centronics mode (SPP) with a printer attached is as follows:

Signal Description

PD7..0 Parallel data bus from PC board to printer. The data lines are able to operate in PS/2

compatible bi-directional mode.

SLIN# Signal to select the printer sent from CPU board to printer.

SLCT Signal from printer to indicate that the printer is selected.

STB# This signal indicates to the printer that data at PD7..0 are valid.

BUSY Signal from printer indicating that the printer cannot accept further data.

ACK# Signal from printer indicating that the printer has received the data and is ready to accept

further data.

INIT# This active low output initializes (resets) the printer.

AFD# This active low output causes the printer to add a line feed after each line printed.

ERR# Signal from printer indicating that an error has been detected.

PE# Signal from printer indicating that the printer is out of paper.

The printer port additionally supports operation in the EPP and ECP mode as defined in [3].

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