- 16-bit Digital I/O card
- MCP23017 16-bit I2C I/O Expander
- Strong library support for all major microprocessors for MCP23017
- I2C Interface - Two Wire Interface
- Can run at 400 KHz or faster
- I/O Connector is inexpensive/standard DB-25
- Fuse protected power output on DB-25 with jumper bypass
- Large prototyping area
- Connections at edges to DB-25 and GPIO lines
- EEPROM for board ID and application specific information
- Write Enable jumper protects against accidental writes
- Open Data Acquisition System (ODAS) form factor (width is 95 mm)
- Host connectors
- Daisy-chain I2C connector
- Address select jumper
- Expandable I2C via I2C-RPT - I2C Repeater
- Interrupt out/Card Present
- Power connector (not required for minimal loads)
- Reversible pinout for safety
- I2C Termination jumpers for end of I2C chain
- Power can be 3.3V or 5V
- 95mm wide Open Data Acquisition System format
- 6-32 Mounting holes