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XR21B1411IL16 PDF预览

XR21B1411IL16

更新时间： 2024-11-01 19:55:03
品牌 Logo 应用领域
艾科嘉 - EXAR 时钟数据传输外围集成电路
页数 文件大小 规格书
29页 273K
描述
USB Bus Controller, CMOS, 3 X 3 MM, 0.90 MM HEIGHT, QFN-16

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中文翻译

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XR21B1411IL16 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：QFN包装说明：HVQCCN, LCC16,.12SQ,20
针数：16Reach Compliance Code：unknown
ECCN代码：3A001.A.3HTS代码：8542.31.00.01
风险等级：5.47地址总线宽度：
最大时钟频率：48 MHz最大数据传输速率：12 MBps
外部数据总线宽度：JESD-30 代码：S-XQCC-N16
长度：3 mm端子数量：16
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：UNSPECIFIED封装代码：HVQCCN
封装等效代码：LCC16,.12SQ,20封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE电源：5 V
认证状态：Not Qualified座面最大高度：0.9 mm
子类别：Serial IO/Communication Controllers最大供电电压：5.25 V
最小供电电压：4.4 V标称供电电压：5 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
宽度：3 mmuPs/uCs/外围集成电路类型：BUS CONTROLLER, UNIVERSAL SERIAL BUS
Base Number Matches：1

XR21B1411IL16 数据手册

 浏览型号XR21B1411IL16的Datasheet PDF文件第2页浏览型号XR21B1411IL16的Datasheet PDF文件第3页浏览型号XR21B1411IL16的Datasheet PDF文件第4页浏览型号XR21B1411IL16的Datasheet PDF文件第5页浏览型号XR21B1411IL16的Datasheet PDF文件第6页浏览型号XR21B1411IL16的Datasheet PDF文件第7页 
XR21B1411  
ENHANCED 1-CH FULL-SPEED USB UART  
REV. 1.1.0  
JANUARY 2011  
FEATURES  
GENERAL DESCRIPTION  
•
•
±15kV HBM ESD on USBD+/USBD-  
The XR21B1411 (B1411) is an enhanced Universal  
Asynchronous Receiver and Transmitter (UART) with  
a USB interface. The USB interface is fully compliant  
to Full Speed USB 2.0 specification that supports 12  
Mbps USB data transfer rate. The USB interface also  
supports USB suspend, resume and remote wakeup  
operations.  
USB 2.0 Compliant, Full-Speed (12 Mbps)  
■
Supports USB suspend, resume and remote  
wakeup operations  
•
•
Unique preprogrammed USB serial number  
Enhanced UART Features  
The B1411 operates from an internal clock that is  
programmable to 6, 12, 24 or 48 MHz. Therefore, no  
external crystal / oscillator is required as in previous  
generation UARTs. With the fractional baud rate  
generator, any baud rate up to 12 Mbps can be  
accurately generated using the internal clock.  
■
■
■
■
■
■
■
■
Data rates up to 12 Mbps  
Fractional Baud Rate Generator  
128 byte TX FIFO  
384 byte RX FIFO  
7, 8 or 9 data bits  
The large 128-byte Tx FIFO and 384-byte Rx FIFO of  
the B1411 help to optimize the overall data  
throughput for various applications. The Automatic  
Transceiver Direction control feature simplifies both  
the hardware and software for half-duplex RS-485  
applications. If required, the multidrop (9-bit) mode  
with automatic half-duplex transceiver control feature  
1 or 2 stop bits  
Odd, even, mark, space or no parity  
Automatic Hardware (RTS/CTS or DTR/DSR)  
Flow Control  
■
■
■
■
■
Automatic Software (Xon/Xoff) Flow Control  
Multidrop mode  
further  
simplifies  
typical  
multidrop  
RS-485  
Auto Transceiver Control  
Half-Duplex mode  
applications.  
The Vendor ID, Product ID, bus-powered mode, self-  
powered mode, Remote Wakeup support or  
Maximum Power Consumption values, as well as  
default baud rate settings can be programmed using  
the on-board OTP through the USBD+ / USBD- pins.  
Selectable GPIO or Modem I/O  
•
Internal 48 MHz clock with clock divisors  
programmable down to 6 MHz  
•
•
•
•
Single 5V power supply  
5V tolerant inputs  
The B1411 operates from a single 5V power supply  
and is available in a 16-pin QFN package.  
16-pin QFN package  
WHQL certified software drivers for Windows 2000,  
XP, Vista, 7, and CE, as well as Linux and Mac are  
supported for the XR21B1411.  
Virtual COM Port WHQL certified drivers  
■
■
■
■
Windows 2000, XP and Vista, 7  
APPLICATIONS  
Windows CE 4.2, 5.0, 6.0  
Linux  
Mac  
•
•
•
•
•
•
Portable Appliances  
External Converters (dongles)  
Battery-Operated Devices  
Cellular Data Devices  
Factory Automation and Process Controls  
Industrial applications  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • FAX (510) 668-7017 • www.exar.com  
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