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MCP2221 - UART Protocol Converter

General Description

The MCP2221 is a USB-to-UART serial converter that enables USB connectivity in applications that have UART and/or I2C interfaces.

The device reduces external components by integrating the USB termination resistors and the oscillator needed for USB operation.

Key Features

  • Universal Serial Bus (USB).
  • Supports Full-Speed USB (12 Mb/s).
  • Implements USB Protocol Composite Device: - Communication Device Class (CDC) for USB-to-UART Conversion - Human Interface Device (HID) for I2C™ Device Control and Configuration.
  • 128-byte Buffer to Handle Data Throughput at Any Supported UART Baud Rate: - 64-Byte Transmit - 64-Byte Receive.
  • Human Interface Device (HID) for Both I2C Communication and Control: 64-byte Buffer to Handle Data Throughput.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MCP2221 USB 2.0 to I2C™/UART Protocol Converter with GPIO Features: Universal Serial Bus (USB) • Supports Full-Speed USB (12 Mb/s) • Implements USB Protocol Composite Device: - Communication Device Class (CDC) for USB-to-UART Conversion - Human Interface Device (HID) for I2C™ Device Control and Configuration • 128-byte Buffer to Handle Data Throughput at Any Supported UART Baud Rate: - 64-Byte Transmit - 64-Byte Receive • Human Interface Device (HID) for Both I2C Communication and Control: 64-byte Buffer to Handle Data Throughput at Any I2C Baud Rate • Fully-Configurable VID and PID Assignments and String Descriptors • Bus-powered or Self-powered • USB 2.