DigIO16-I2C

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Tindie-mediums.png

DigIO16-I2C-X3-CCA-5454-640px.jpg

Features[edit]

  • 16 bit GPIO
  • MCP23017 I2C Parallel I/O
    • I2C host interface
    • 100/400 KHZ operation
    • 25mA sink/source capability per I/O
  • Jumper selectable terminators
  • 3-bit address (Jumper selectable) - Up to 8 boards
  • I2C Connector
    • Daisy-chained 4-pin host interface connector (Ground, Power, Clock, Data)
  • Power Connector
  • DB-25 Connector for GPIO lines
  • 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

Connectors[edit]

J1 - Power Connector (Optional)[edit]

DIGIO16-I2C-X2-J1-POWER.PNG

J2, J3 - Daisy-chained I2C Connectors[edit]

DIGIO16-I2C-X2-J2-I2C.PNG

J4 - Address Base Jumpers[edit]

  • Install for address bit = 0

DIGIO16-I2C-X2-J4-ADR.PNG

J5 - Interrupt/Card Present[edit]

DIGIO16-I2C-X2-J5-INT.PNG

J6 - I2C Terminators[edit]

DIGIO16-I2C-X2-J6-I2C-TERM.PNG

J7 - Write Enable Jumper[edit]

  • Install to enable writes

DIGIO16-I2C-X2-J7-WR-ENABLE.PNG

J8 - DB-25F I/O connector[edit]

DIGIO16-I2C-X2-J8-DIGIO.PNG

Schematic[edit]

Driver[edit]

Assembly Sheet[edit]