Advantech PCI-1757UP Especificaciones descargar pdf (Pagina 8)

4 PCI-1757UP User's Manual

Features

i Low profile PCI card

i Universal PCI card, adapt 3.3V and 5V PCI slot

i 24 TTL level digital I/O lines

i Emulates mode 0 of 8255 PPI

i Buffered circuits provide higher driving capability

i Output status read-back

i I/O configure by software or on board DIP switch

i Keeps port I/O settings and digital output states after hot reset

i Board ID set by DIP switch

i Digital input with Interrupt capability

i D-SUB 25-pin connector

Specifications

Digital Input

• Logic high voltage: 2.0 V min.

• Logic low voltage: 0.80 V max.

• Maximum Input Leakage Current: 2µA

Digital Output

• Logic high voltage: 3.7 V min. @ 24mA (source)

• Logic low voltage: 0.5 V max. @ -24 mA (sink)

Interrupt Source

• PC0, PC4

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Advantech PCI-1757UP Especificaciones Pagina 8