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MIC-3753

72-ch Digital I/O CPCI Cards
  • 72 TTL digital I/O lines
  • Emulates mode 0 of 8255 PPI
  • Buffered circuits for higher driving capacity than 8255
  • Multiple-source interrupt handling
  • Interrupt output pin for simultaneously triggering external devices with the interrupt
  • Output status read-back
  • “Pattern match” and “Change of state” interrupt functions for critical I/O monitoring
  • Keeps I/O setting and digital output values when hot system reset
  • Supports dry contact and wet contact
The MIC-3753 is a 72-channel digital I/O card for the PCI bus. The card emulates mode 0 of the 8255 PPI chip, but the buffered circuits offer a higher driving capability than the 8255. The 96 I/O lines are divided into twelve 8-bit I/O ports: A0, B0, C0, A1, B1, C1, A2, B2, C2, A3, B3 and C3. Users can configure each port as input or output via software.

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