PDF, 1.2 Mb, File published: Jun 7, 2017
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MCP2221
USB 2.0 to I2C/UART Protocol Converter with GPIO
Features I2C/SMBus Universal Serial Bus (USB) The Device Runs as an I2C Master. The Data to
Write/Read on the I2C Bus is Conveyed by the
USB Interface I2C Master
-Up to 400 kHz Clock Rate
-Supports 7-Bit or 10-Bit Addressable
Devices; 10-Bit Addressable Devices are
Supported through the PC Host Library
-Supports Block Reads/Writes of up to 65,535
Bytes SMBus Master
-Supports All of the SMBus Transfers
-SMBus Functionality Is Achieved through a
Combination of Chip and Support Library
Processing
-Up to 400 kHz Clock Rate 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 …
