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XR21V1410 fiches techniques PDF

Exar Corporation - 1-Ch Full-Speed USB UART

Numéro de référence XR21V1410
Description 1-Ch Full-Speed USB UART
Fabricant Exar Corporation 
Logo Exar Corporation 





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XR21V1410 fiche technique
XR21V1410
1-CH FULL-SPEED USB UART
www.DataShJeUeNt4EU2.c0o0m9
REV. 1.0.0
GENERAL DESCRIPTION
The XR21V1410 (V1410) 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.
The V1410 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.
The large 128-byte FIFO and 384-byte RX FIFO of
the V1410 helps 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
further simplifies typical multidrop RS-485
applications.
The V1410 operates from a single 2.97 to 3.63 volt
power supply and has 5V tolerant inputs. The V1410
is available in a 16-pin QFN package.
Software drivers for Windows 2000, XP, Vista, and
CE, as well as Linux and Mac are supported for the
XR21V1410.
APPLICATIONS
Portable Appliances
External Converters (dongles)
Battery-Operated Devices
Cellular Data Devices
Factory Automation and Process Controls
Industrial applications
FEATURES
USB 2.0 Compliant Interface
Supports 12 Mbps USB full-speed data rate
Supports USB suspend, resume and remote
wakeup operations
Enhanced UART Features
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
Automatic Hardware (RTS/CTS or DTR/DSR)
Flow Control
Automatic Software (Xon/Xoff) Flow Control
Multidrop mode w/ Auto Half-Duplex
Transceiver Control
Multidrop mode w/ Auto TX Enable
Half-Duplex mode
Sleep Mode with Remote Wake-up
Selectable GPIO or Modem I/O
Internal 48 MHz clock
Single 2.97-3.63V power supply
5V tolerant inputs
16-pin QFN package
Virtual COM Port drivers
Windows 2000, XP and Vista
Windows CE 4.2, 5.0, 6.0
Linux
Mac
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com

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