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Virtex 4 user guide Virtex- FPGA User Guide UG v December R CR Xilinx is disclosing this user guide manual release note and or speci ?cation the Documentation to you solely for use in the development of designs to operate with Xilinx hardware devices You

Virtex- FPGA User Guide UG v December R CR Xilinx is disclosing this user guide manual release note and or speci ?cation the Documentation to you solely for use in the development of designs to operate with Xilinx hardware devices You may not reproduce distribute republish download display post or transmit the Documentation in any form or by any means including but not limited to electronic mechanical photocopying recording or otherwise without the prior written consent of Xilinx Xilinx expressly disclaims any liability arising out of your use of the Documentation Xilinx reserves the right at its sole discretion to change the Documentation without notice at any time Xilinx assumes no obligation to correct any errors contained in the Documentation or to advise you of any corrections or updates Xilinx expressly disclaims any liability in connection with technical support or assistance that may be provided to you in connection with the Information THE DOCUMENTATION IS DISCLOSED TO YOU ??AS -IS ? WITH NO WARRANTY OF ANY KIND XILINX MAKES NO OTHER WARRANTIES WHETHER EXPRESS IMPLIED OR STATUTORY REGARDING THE DOCUMENTATION INCLUDING ANY WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD-PARTY RIGHTS IN NO EVENT WILL XILINX BE LIABLE FOR ANY CONSEQUENTIAL INDIRECT EXEMPLARY SPECIAL OR INCIDENTAL DAMAGES INCLUDING ANY LOSS OF DATA OR LOST PROFITS ARISING FROM YOUR USE OF THE DOCUMENTATION ? ?? Xilinx Inc XILINX the Xilinx logo Virtex Spartan ISE and other designated brands included herein are trademarks of Xilinx in the United States and other countries The PowerPC name and logo are registered trademarks of IBM Corp and used under license All other trademarks are the property of their respective owners Revision History The following table shows the revision history for this document Date Version Revision Initial Xilinx release Printed Handbook version In Chapter ??Clock Resources ? Removed Table - BUFGMUXVIRTEX Attributes Updated Table - Table - Table - the new Table - Revised Figure - Figure - Figure - Figure - Figure - Figure - Figure - Figure - and Figure - Associated text around these tables and ?gures were revised In Chapter ??Digital Clock Managers DCMs ? changes to ??FACTORYJF Attribute ? and in Table - In Chapter ??System Monitor ? Changed in Figure - Figure - Figure - Figure - Figure - Figure - Figure - Figure - Figure - and Figure - Changes to the equation in the Temperature Sensor section The following tables had changes Table - Table - Table - Table - Table Table - Table - and Table - Changes to the entire System Monitor Calibration System Monitor VHDL and Verilog Design Example sections In Chapter ??Clock Resources ? revised ??Global Clock Bu ?ers ? ??Clock Regions ? and ??Clock Capable I O ? sections In Chapter ??Block RAM ? revised ??Reset ? page description and Table - In Chapter ??SelectIO Resources ? removed the device con ?guration section The Virtex- Con ?guration Guide describes this information in detail Edited ??SSTL Stub- Series Terminated Logic