The MCP23017 is a 16-bit general-purpose parallel I/O port expander, perfect for enhancing the I/O capabilities of microcontroller-based systems. This device is designed for I2C bus applications and can be configured to operate in either 8-bit or 16-bit modes, making it highly versatile. The MCP23017 features two 8-bit ports (PORTA and PORTB), with I/O pins that default to input. It supports high-speed I2C™ interfaces, operating at 100 kHz, 400 kHz, and up to 1.7MHz. Additionally, it includes three hardware address pins, allowing for the connection of up to eight devices on the bus. Operating within a voltage range of 1.8V to 5.5V, it is suitable for a variety of applications. Here’s a detailed look at its features, applications, and usage tips:
Features
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16-bit Remote Bidirectional I/O Port: I/O pins default to input, providing flexible I/O expansion.
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High-Speed I2C™ Interface: Operates at 100 kHz, 400 kHz, and up to 1.7MHz for efficient communication.
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Hardware Address Pins: Three pins allow for up to eight devices on the bus.
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Operating Voltage: 1.8V to 5.5V for compatibility with various power supplies.
Applications
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I/O Expansion: Ideal for expanding the I/O capabilities of microcontroller-based systems.
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Networking Projects: Suitable for integrating additional I/O ports in networked devices.
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DIY Electronics: Perfect for hobbyists building custom electronic systems.
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Prototyping: Useful for developing and testing new I/O expansion solutions.
Tips for Use
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Wiring: Ensure proper connection to the I2C bus for reliable communication.
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Configuration: Configure the device for either 8-bit or 16-bit operation as needed.
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Maintenance: Keep the device clean and handle with care to ensure optimal performance.
The package includes one MCP23017 16-bit I/O Port Expander, a reliable and versatile component for all your I/O expansion projects in Bangladesh.
MCP23017 16-bit I/O Port Expander ElectronicsBD Bangladesh (BD)
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