DIGIO-128

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DIGIO-128 Card[edit]

Features[edit]

  • (8) of MCP23017 - 16 bit GPIO x 8
    • Total of 128 bits of GPIO
  • I2C host interface
    • MCP23017] I2C Parallel I/O
    • Two Wire interface
    • 100/400 KHZ operation
    • 25mA sink/source capability per I/O
    • Jumper selectable terminators
    • Single 4-pin host interface connector (Ground, Power, Clock, Data)
  • 0.1" Pitch I/O Connectors
    • 16 digital I/O
    • 2 Power
    • 2 Ground
    • Interrupt connectors
    • I2C Connector
    • Power Connector
  • 24LC024 Personality EEPROM
  • 3.3V or 5V operation
  • Compatible with Arduino, Raspberry Pi, BeagleBone Black
  • 95x95mm form factor
  • (4) 6-32 mounting holes - one on each corner

I2C Addresses[edit]

  • MCP23017 parts 0x20 - 0x27
  • EEPROM 24LC024 = 0x50

DIGIO-128-I2C-Addrs-X2.PNG

Software Examples/Drivers[edit]

Connectors[edit]

Digital I/O Connector[edit]

P1-DIGIO-Conn.PNG

I2C Connectors[edit]

J2-J3-I2C-conn-X2.PNG

Schematics[edit]

Testing[edit]

Assembly Sheet[edit]