Table of Contents
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1.2 Features
• 48 TTL digital I/O lines
• Output status read-back
• Channels simulate 8255 PPI mode 0
• Interrupt triggering, rising/falling edge
• Buffer circuit for high driving capacity, TTL level
• OPTO-22 compatible 50-pin connectors
1.3 Applications
• Industrial AC/DC I/O devices monitoring and controlling
• Relay and switch monitoring and controlling
• Parallel data transfer
• TTL, DTL and CMOS logic signal sensing
• Indicator LED driving
3
Chapter 1
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Table of Contents
