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Introduction
The AX5500P provides 12 counter/timer and 24 digital I/O channels. It plugs directly into any 32-bit PCI Bus. It used the most popular 8254 counter/timer chip to event counting, frequency measurement, pulse measurement and pulse generation. In addition, it also provides 24 channels DIO. The DIO function emulates a 8255 PPI (programmable peripheral interface) chip mode 0 in software. It could directly control OPTO-22 compatible I/O racks and modules through 50-pin ribbon connector. All the I/O channels are TTL-compatible and use 74LS244 driver/buffer chip to provide high output driver.
Features
24 channels TTL/DTL compatible programmable DIO
32-bit PCI compatible Counter/Timer/DIO card
37-pin D-type connector and 50-pin male connector included
Buffer circuit provides high sinking current capacity
Capable of driving OPTO-22 compatible digital I/O module
Emulates 8255 PPI mode 0
Flexible clock source setting
Four 8254 programmable internal timer
Internal or external interrupt signal selectable
Plug and play
Pull-up resistor for each DIO channel
Up to 12 channels counter/timer
Windows 95/98/NT Driver and DOS DEMO program provided