Datasheet > XR21V1414IM-0B-EB

XR21V1414IM-0B-EB

更新时间： 2024-11-07 01:19:19

品牌	Logo	应用领域
艾科嘉 - EXAR		/
页数	文件大小	规格书
34页	400K
描述
4-CH FULL-SPEED USB UART

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数据手册

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XR21V1414

4-CH FULL-SPEED USB UART

REV. 1.3.0

DECEMBER 2013

FEATURES

GENERAL DESCRIPTION

•

USB 2.0 Compliant, Full-speed (12 Mbps)

The XR21V1414 (V1414) is an enhanced 4-channel

USB Universal Asynchronous Receiver and

Transmitter (UART). 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.

■

Supports USB suspend, resume and remote

wakeup operations

•

± 5 kV HBM ESD protection on USB data pins

± 2 kV HBM ESD protection on all other pins

Enhanced Features of each UART

The V1414 operates from an internal 48MHz clock

therefore no external crystal/oscillator is required like

previous generation UARTs. With the fractional baud

rate generator, any baud rate can accurately be

generated using the internal 48MHz clock.

■

UART data rates up to 12 Mbps

Fractional Baud Rate Generator

128 byte TX FIFO

384 byte RX FIFO

The large 128-byte TX FIFO and 384-byte RX FIFO

of the V1414 helps to optimize the overall data

throughput for various applications. If required, the

multidrop mode and automatic RS-485 half-duplex

direction control feature further simplifies typical

multidrop RS-485 applications.

7, 8 or 9 data bits

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

The V1414 operates from a single 2.97 to 3.63 volt

power supply and has 5V tolerant inputs. The V1414

is available in a 48-pin TQFP package.

Auto RS-485 Half-Duplex Control

Half-Duplex mode

WHQL certified software drivers for Windows 2000,

XP, Vista, 7, 8, and CE, as well as Linux and Mac are

supported for the XR21V1414.

Selectable GPIO or Modem I/O

•

Internal 48 MHz clock

APPLICATIONS

Single 3.3V power supply

5V tolerant inputs

•

Portable Appliances

External Converters (dongles)

Battery-Operated Devices

Cellular Data Devices

48-pin TQFP package

Virtual COM Port WHQL certified drivers

■

Windows 2000, XP Vista, Win7 and Win8

Windows CE 4.2, 5.0, 6.0, 7.0

Factory Automation and Process Controls

Industrial applications

Linux

Mac

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • FAX (510) 668-7017 • www.exar.com

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中文翻译

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与XR21V1414IM-0B-EB相关器件

型号	品牌	获取价格	描述	数据表
XR21V1414IM48	EXAR	获取价格	4-CH FULL-SPEED USB UART
XR21V1414IM48-F	EXAR	获取价格	4-CH FULL-SPEED USB UART
XR21V1414IM48TR-F	EXAR	获取价格	Serial I/O Controller, 4 Channel(s), 1.5MBps, CMOS, PQFP48, 7 X 7 MM, 1 MM HEIGHT, GREEN,
XR-2200CP	ETC	获取价格	PERIPHERAL DRIVER\|5 DRIVER\|DIP\|14PIN\|PLASTIC
XR-2201CP	ETC	获取价格	Septuple Peripheral Driver
XR-2202CP	EXAR	获取价格	Peripheral Driver, 7 Driver, BIPolar, PDIP16
XR-2203CP	EXAR	获取价格	Peripheral Driver, 7 Driver, BIPolar, PDIP16
XR-2204CMD	EXAR	获取价格	Peripheral Driver, 7 Driver, BIPolar, PDSO16
XR-2204CP	EXAR	获取价格	Peripheral Driver, 7 Driver, BIPolar, PDIP16
XR2206	EXAR	获取价格	Monolithic Function Generator

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