© 2015 Exar Corporation
XR22804
47 / 47 exar.com/XR22804
Rev 1B
NOTICE
EXAR Corporation reserves the right to make changes to the products contained in this publication in order to improve design, performance or reliability. EXAR Corporation
assumes no responsibility for the use of any circuits described herein, conveys no license under any patent or other right, and makes no representation that the circuits are free
of patent infringement. Charts and schedules contained herein are only for illustration purposes and may vary depending upon a user’s specific application. While the information
in this publication has been carefully checked; no responsibility, however, is assumed for inaccuracies.
EXAR Corporation does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to
cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such applications unless EXAR Corporation
receives, in writing, assurances to its satisfaction that: (a) the risk of injury or damage has been minimized; (b) the user assumes all such risks; (c) potential liability of EXAR Cor-
poration is adequately protected under the circumstances.
Reproduction, in part or whole, without the prior written consent of EXAR Corporation is prohibited.
For Further Assistance:
Technical Support: techsupport.exar.com
Technical Documentation: www.exar.com/techdoc
Exar Corporation Headquarters and Sales Offices
48720 Kato Road Tel.: +1 (510) 668-7000
Fremont, CA 95438 - USA Fax: +1 (510) 668-7001
Ordering Information
Revision History
Part Number Package Green Operating Temperature
Range
Packaging Quantity Marking
XR22804IL56-F 56-pin QFN Yes -40°C to +85°C 260 / Tray XR22804
XR22804IL56TR-F 56-pin QFN Yes -40°C to +85°C 2500 / Reel XR22804
Revision Date Description
1A July 2014 Initial Release
1B April 2015 Corrected VBUS_SENSE pin definition and Tabl e 1 hub PID. Corrected Request Values for CDC_ACM_IF
and added 3 CDC_ECM_IF commands to Tab l e 4 USB Commands. Added descriptions of feature and input
and output reports for HID functions. Added HID register access feature reports.
[ECN1518‐04Apr282015]
