Datasheet > XR21B1411IL-0A-EB

XR21B1411IL-0A-EB

更新时间： 2024-11-02 01:22:31

品牌	Logo	应用领域
艾科嘉 - EXAR		/
页数	文件大小	规格书
30页	796K
描述
ENHANCED 1-CH FULL-SPEED USB UART

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数据手册

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XR21B1411

ENHANCED 1-CH FULL-SPEED USB UART

REV. 1.2.0

JULY 2016

GENERAL DESCRIPTION

FEATURES

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.

 ±15kV HBM ESD on USBD+/USBD-

 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

■ 1 or 2 stop bits

■ Odd, even, mark, space or no parity

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

■ Automatic Hardware (RTS/CTS or DTR/DSR)

Flow Control

■ Automatic Software (Xon/Xoff) Flow Control

■ Multidrop mode

■ Auto RS-485 Half-Duplex Control

■ Half-Duplex mode

further

applications.

simplifies

typical

multidrop

RS-485

■ Selectable GPIO or Modem I/O

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.

 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

 Virtual COM Port WHQL/HCK Windows certified

WHQL certified software drivers for Windows 2000,

XP, Vista, 7, 8, 8.1, 10 and CE, as well as Linux and

Mac are supported for the XR21B1411.

drivers

■ Windows 2000, XP, Vista, 7, 8, 8.1 and 10

■ Windows CE 4.2, 5.0, 6.0, 7.0

APPLICATIONS

 Linux, Mac drivers

 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

12 3 4 5 6 7...30

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与XR21B1411IL-0A-EB相关器件

型号	品牌	获取价格	描述	数据表
XR21B1411IL16	EXAR	获取价格	USB Bus Controller, CMOS, 3 X 3 MM, 0.90 MM HEIGHT, QFN-16
XR21B1411IL16-F	EXAR	获取价格	Single Channel USB UART with Industry`s Smallest Package and Optimized Software Drivers
XR21B1411IL16MTR-F	EXAR	获取价格	USB Bus Controller, CMOS,
XR21B1411IL16TR-F	EXAR	获取价格	ENHANCED 1-CH FULL-SPEED USB UART
XR21B1420	EXAR	获取价格	Enhanced 1-Ch Full-Speed USB UART
XR21B1420IL28-0A	EXAR	获取价格	Enhanced 1-Ch Full-Speed USB UART
XR21B1420IL28-F	EXAR	获取价格	Enhanced 1-Ch Full-Speed USB UART
XR21B1420IL28TR-F	EXAR	获取价格	Enhanced 1-Ch Full-Speed USB UART
XR21B1421	EXAR	获取价格	Enhanced 1-Ch Full-Speed
XR21B1421IL24-F	EXAR	获取价格	USB Bus Controller, CMOS, 4 X 4 MM, GREEN, MO-220VGGD-6, QFN-24

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