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PCIE-1751 is a 48-channel digital I/O card for the PCI Express bus. The channels are divided into six 8-bit I/O ports. Users can configure 4 channels per port (nibbles) to serve as
input or output channels via software. PCIE-1751 also provides three 32-bit counters. PCIE-1753 is a 96-channel digital I/O card that emulates Mode 0 of the Intel® 8255 PPI chip.
However, the buffered circuits offer a higher driving capability than that of the 8255 PPI chip. The 96 I/O channels 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 every port to serve as input or output ports via software.
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Features
- Fully compatible with PCI-1753
- Up to 96 TTL digital I/O lines
- Emulates mode 0 of 8255 PPI
- Buffered circuits for higher driving capacity than the 8255
- Interrupt handling capability
- Output status read-back
- Supports input data pattern match and change of state functions
- Keep I/O settings and output status after hot reset
- Supports both dry and wet contact
- High-density 100-pin SCSI connector
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