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參數(shù)資料
| 型號： | XR21V1412IL32TR-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 1/32頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC USB UART FIFO FULL SPD 32QFN |
| 產(chǎn)品培訓(xùn)模塊： | XR21V141x Full-Speed USB UART Family |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 特點： | * |
| 通道數(shù)： | 2，DUART |
| FIFO's： | 128 字節(jié)，384 字節(jié) |
| 規(guī)程： | USB 2.0 |
| 電源電壓： | 2.97 V ~ 3.63 V |
| 帶自動流量控制功能： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-VFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 32-QFN 裸露焊盤（5x5） |
| 包裝： | 帶卷 (TR) |
| 配用： | 1016-1301-ND - EVAL BOARD FOR XR21V1412IL |
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Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com
XR21V1412
2-CH FULL-SPEED USB UART
DECEMBER 2013
REV. 1.3.0
GENERAL DESCRIPTION
The XR21V1412 (V1412) is an enhanced 2-channel
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.
The V1412 operates from an internal 48MHz clock
therefore no external crystal/oscillator is required as
in previous generation UARTs. With the fractional
baud rate generator, any baud rate can accurately be
generated using the internal 48MHz clock.
The large 128-byte TX FIFO and 384-byte RX FIFO
of the V1412 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.
The V1412 operates from a single 2.97 to 3.63 volt
power supply and has 5V tolerant inputs. The V1412
is available in a 32-pin QFN package.
WHQL certified software drivers for Windows 2000,
XP, Vista, 7, 8, and CE, as well as Linux and Mac are
supported for the XR21V1412.
APPLICATIONS
Portable Appliances
External Converters (dongles)
Battery-Operated Devices
Cellular Data Devices
Factory Automation and Process Controls
Industrial applications
FEATURES
USB 2.0 Compliant, Full-Speed (12 Mbps)
■ 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
■ UART 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
■ 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
■ Selectable GPIO or Modem I/O
Internal 48 MHz clock
Single 3.3V power supply
5V tolerant GPIO inputs
32-pin QFN package
Virtual COM Port WHQL certified drivers
■ Windows 2000, XP, Vista, Win7 and Win8
■ Windows CE 4.2, 5.0, 6.0, 7.0
■ Linux
■ Mac
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR21V1414 | 制造商:EXAR 制造商全稱:EXAR 功能描述:4-CH FULL-SPEED USB UART |
| XR21V1414_10 | 制造商:EXAR 制造商全稱:EXAR 功能描述:4-CH FULL-SPEED USB UART |
| XR21V1414IM-0A-EB | 功能描述:界面開發(fā)工具 Eval Board for XR21V1414IM48-F RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| XR21V1414IM-0B-EB | 功能描述:界面開發(fā)工具 For XR21V1414 TQFP48 USB, RS232;No Cables RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| XR21V1414IM48 | 制造商:EXAR 制造商全稱:EXAR 功能描述:4-CH FULL-SPEED USB UART |
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