mcp23017 datasheet

The MCP23017 is a 16-bit I/O expander with serial interface (I2C) that provides an easy and cost-effective way to add more I/O ports to a microcontroller. It features 16 general purpose I/O pins that can be configured as inputs or outputs in multiple configurations, providing flexibility for various applications. The MCP23017 supports up to 8 devices on the I2C bus, allowing the user to expand their system with up to 128 I/O ports. It also includes internal pull-up resistors, making it suitable for interfacing with push buttons, switches, and other digital inputs. With a wide supply voltage range and low power consumption, the MCP23017 is ideal for battery-powered applications as well as industrial control systems, consumer electronics, and more. Its small form factor and easy integration make it a versatile solution for expanding the I/O capabilities of any microcontroller-based system.

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