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• 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• High-density 100-pin SCSI connector

