09/20/2010	

This driver is for the XR21x141x USB UART product family.  This driver has been WHQL certified for XP/2K/Vista/7 and is version 1.4.0.0.  
This zip file includes both 32-bit and 64-bit drivers. 

The "x64" folder contains the 64-bit driver for 64-bit systems.
The "x86" folder contains the 32-bit driver for 32-bit systems.

For driver source code, please send an e-mail request to uarttechsupport@exar.com.  The Software License Agreement (SLA) will be sent to you 
for review.  Once the SLA is complete, the driver source code will be sent to you. 


Revision History (Rev. 1.3 to 1.4):

 - Support for XR21B1411.

 - WriteTimeout is implemented.

Revision History (Rev. 1.2 to 1.3):

- Improved data throughput to approximately 9Mbps

- Fixed default state of RTS# and DTR# pins

- Fix the usb 2.0 hub issue	

- Changes in calculating serialstate in interrupt endpoint
 