The ICOP-0101 is a 48-bit digital I/O module. The module can be used together with TTL level input /output circuitry. Its 48 bits are arranged in two 24-bit digital I/O groups. Each group emulates an 8255 PPI (programmable peripheral interface) mode 0 but has a higher driving capacity than the 8255 PPI. Each 24-bit group is divided into three 8-bit ports. A port can be configured to function as input or output.
- 48 digital I/O lines (2 groups)
- Group emulates 8225 PPI mode 0
- Buffered circuits for higher driving capacity than 8255 PPI
- Bit 0 of port C can generate an interrupt to IRQ 2, 3, 4, 5, 6, 7
- Interrupt trigger on rising / falling edge
- Output status readback
- Pin-compatible with OPTO-22 I/O module racks
- Transfer rate: 300 KB/sec. (typical)
- Digital output:
- Logic level 0: 0.5 V max. @ 24 mA sink
- Logic level 1: 2.0 V min. @ 15 mA source
- Digital input:
- Logic level 0: 0.8 V max.
- Logic level 1: 2.0 V min.
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