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MCP2221A-I/SL 其他数据使用手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
接口芯片
封装:
SOIC-14
描述:
接口桥接器, USB至I2C/UART, 3 V, 5.5 V, NSOIC, 14 引脚, -40 °C
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P3P18Hot
原理图在P2
标记信息在P63
封装信息在P63P65P66P68P69P70P71P72P73P77
功能描述在P3P23P24P25P26P27P28P29P30P32P33P34
技术参数、封装参数在P59P61P62
导航目录
MCP2221A-I/SL数据手册
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若手册格式错乱，请下载阅览PDF原文件
2016 Microchip Technology Inc. DS20005565A-page 1
MCP2221A
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 I
2
C 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
I
2
C Communication and Control:
64-byte buffer to handle data throughput at
any I
2
C 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
•I
2
C/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 T
X 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
I
2
C/SMBus
• The Device Runs as an I
2
C Master. The Data to
Write/Read On the I
2
C Bus is Conveyed By the
USB Interface.
•I
2
C 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
Note: The MCP2221A is identical to the
MCP2221 in all aspects except for the
maximum supported baud rate of the
UART, which has been increased from
115200 (MCP2221) to 460800
(MCP2221A).
USB 2.0 to I
2
C/UART Protocol Converter with GPIO
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