MCP23S17 Overview
MCP23017/MCP23S17 16-Bit I/O Expander with Serial Interface.
MCP23S17 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