MCP23017
Key Features
- 16-Bit Remote Bidirectional I/O Port: - I/O pins default to input
- High-Speed I2C Interface (MCP23017): - 100 kHz - 400 kHz - 1.7 MHz
- High-Speed SPI Interface (MCP23S17): - 10 MHz (maximum)
- Three Hardware Address Pins to Allow Up to Eight Devices On the Bus
- Configurable Interrupt Output Pins: - Configurable as active-high, active-low or open-drain
- INTA and INTB Can Be Configured to Operate Independently or Together
- Configurable Interrupt Source: - Interrupt-on-change from configured register defaults or pin changes
- Polarity Inversion Register to Configure the Polarity of the Input Port Data
- External Reset Input
- Low Standby Current: 1 µA (max.)
