PCM-IO48

Description

The PCM-IO48 is a low cost, general purpose, PC/104 compatible 48-line parallel I/O controller based upon two 82C55A integrated circuits. The I/O lines are organized as two groups of three, 8-bit I/O ports. It is wired to two, 50-pin connectors which each will interface directly to industry standard 4, 8, 16 and 24-I/O module solid state relay mounting racks (Opto-22, etc.).

PRODUCT MANUAL
DATA SHEET
PRODUCT INFO

Features

  • 48 Bidirectional General Purpose I/O (GPIO)
  • Uses two 82C55A compatible devices
    • Each device is independent and supports 24 I/O
  • Compatible with industry standard I/O racks
  • Dual 50-pin header connectors
  • Single +5V operation
  • Industrial -40° to +85°C operational temperature
Features
Digital I/O

48 Bidirectional General Purpose I/O (GPIO)
Uses two 82C55A compatible devices
Each device is independent and supports 24 I/O
TTL Compatible
Compatible with industry standard I/O racks
Bus Interface

PC/104, 8-bit
Power

+5V required, 20 mA typical (configured for inputs only)
Mechanical

PC/104-compliant
Dimensions: 3.6 x 3.8 inches (90 x 96 mm)
Weight: 2.8 oz (78g)
Operating Temperature Range

-40°C to 85°C

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