MCP2221A-I/ST

Technical Specifications

Product Introduction

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
• 448-Byte Buffer to Handle Data Throughput at Any Supported UART Baud Rate: 64-byte transmit - 384-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 2.0-Compliant: TID# 40001594
• USB Driver and Software Support
• Enumerates as a Composite USB Device (CDC and HID) Using Standard Drivers for Virtual Com Port (VCP) on the Following Windows Operating Systems: XP (SP3), Vista, 7, 8, 8.1 and 10
• Configuration Utility for Establishing a Custom Boot-Up Configuration
• I²C/SMBus Terminal
• Windows DLL
• CDC and Universal Asynchronous Receiver/Transmitter (UART) Options
• Communications Device Class (CDC) for the USB-to-UART Option
• Responds to SET LINE CODING Commands to Dynamically Change Baud Rates
• Supports Baud Rates: 300 - 460800
• UART Tx and Rx Pins Only
• I²C/SMBus
• 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 long
• 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
• General Purpose Input/Output (GPIO) Pins
• Four General Purpose Input/Output Pins
• All GP Pins Can Be Assigned to Other Functionalities
• Other Functionalities
• UART Activity LED Outputs (UTX and URx)
• SSPND Output Pin
• USBCFG Output Pin (Indicates When the Enumeration Has Completed)
• Three ADC Inputs
• One DAC with Two Possible Output Options
• Clock Reference Output: 12 MHz or Other Configurable Values
• External Interrupt Edge Detection
• Other
• Operating Voltage: 3.0 to 5.5V
• Electrostatic Discharge (ESD) Protection: >4 KV Human Body Model (HBM)
• Industrial (I) Operating Temperature: -40°C to +85°C
• Automotive AEC-Q100 Qualified

Datasheet

Alternative Parts

Common MCP2221A-I/ST alternatives overseas buyers search for:

• MCP2221-I/ST (request quote)
• MCP2221AT-I/ST
• MCP2221T-I/ST (request quote)

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