I2C IIC Serial Interface MCP23017 Bidirectional 16-Bit I/O Expander Module

Features:

• 16-Bit Remote Bidirectional I/O Port:
I/O pins default to input

• High-Speed I2C Interface (MCP23017):
100kHz
400kHz
1.7MHz

• 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.)

• Operating Voltage:
1.8V to 5.5V @ -40°C to +85°C
2.7V to 5.5V @ -40°C to +85°C
4.5V to 5.5V @ -40°C to +125°C

Package Included:
1PCS MCP23017 Bidirectional 16-Bit I/O Expander with I2C IIC Serial Interface Module