5 special i/o modes, Ktlx800/pitx user's guide, 1 irq mode – Kontron KTLX800-pITX User Manual

Page 33: 2 tri-sta, Te mode

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KTD-S0022-C

Page 28

Digital I/O Interface

KTLX800/pITX User's Guide

The digital I/O interface is available through the Molex connector J2 (10 pins). An interface cable (open

is

O-PROTO-10, part number 62038).

ended) deliverable from KONTRON (KAB-GPI

Header

Pin

Signal Name

Function

1

VCC

1)

Power +3.3V

GPIO4

2

Bidirectional I/O 4

3

GPIO0

Bidirectional I/O 0

4

GPIO5

Bidirectional I/O 5

5

GPIO1

Bidirectional I/O 1

6

GPIO6

Bidirectional I/O 6

7

GPIO2

Bidirectional I/O 2

8

GPIO7

Bidirectional I/O 7

9

GPIO3

Bidirectional I/O 3

1

10

GND

Ground


Note:

1)

To protect the external power lines of peripheral devi

ake sure that

- the wires have the right diameter to withstand the maximum available current.

- to enclosure of the peripheral device fulfills the fire-protecting conditions of IEC/EN 60950.

ces m

13.5 Special I/O Modes

13.5.1 IRQ

Mode

All

edge of the signal.

However for th

lines are used. If

more IRQ pins shou

the input pins.

13.5.2 Tri-Sta

tri-state mode the pins are automatically configured as output pins. In contrast to a standard ouput pin

the tri-state pin can also be used as an input pin (i.e. acknowledge from I2C-Bus).

sixteen I/O lines can be configured to trigger an interrupt on the falling or rising

e interrupt handling only IRQ6 and IRQ7 are available even when more

ld be used the identification of the source must be done by sampling

te

Mode

In

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