MCP2221 datasheet(1/80 Pages) MICROCHIP

部件名	MCP2221

功能描述	USB 2.0 to I2C??UART Protocol Converter with GPIO

PDF	80 Pages

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制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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 2015 Microchip Technology Inc.

DS20005292B-page 1

MCP2221

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 2.0-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 and 8.1

• 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: 300-115200

•UART TX and RX Pins Only

• Serial Number Used During the CDC

Enumeration Can Be Enabled By Using the

Microchip-provided Configuration Utility or By

Calling the Proper API From the Support Libraries

for this Device

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- 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

USB 2.0 to I2C™/UART Protocol Converter with GPIO

类似零件编号 - MCP2221

制造商	部件名	数据表	功能描述
Microchip Technology	MCP2221A	1Mb / 80P	USB 2.0 to I2C/UART Protocol Converter with GPIO 07/14/15
	MCP2221A-I/ML	1Mb / 80P	USB 2.0 to I2C/UART Protocol Converter with GPIO 07/14/15
	MCP2221A-I/P	1Mb / 80P	USB 2.0 to I2C/UART Protocol Converter with GPIO 07/14/15
	MCP2221A-I/SL	1Mb / 80P	USB 2.0 to I2C/UART Protocol Converter with GPIO 07/14/15
	MCP2221A-I/ST	1Mb / 80P	USB 2.0 to I2C/UART Protocol Converter with GPIO 07/14/15

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