We have detected your current browser version is not the latest one. Xilinx.com uses the latest web technologies to bring you the best online experience possible. Please upgrade to a Xilinx.com supported browser:Chrome, Firefox, Internet Explorer 11, Safari. Thank you!

AR# 61909

MIG UltraScale DDR3/DDR4 - app_wdf_data format clarification


Version Found: MIG UltraScale v6.0
Version Resolved: See (Xilinx Answer 58435)

The format for using app_wdf_data to provide data with the write data command is as follows:
Burst Length: 8
8-bit design:

app_wdf_data={Burst7Byte0, Burst6Byte0, Burst5Byte0, Burst4Byte0, Burst3Byte0, Burst2Byte0, Burst1Byte0, Burst0Byte0}

16-bit design:

app_wdf_data={Burst7Byte1, Burst7Byte0, Burst6Byte1, Burst6Byte0, Burst5Byte1, Burst5Byte0, Burst4Byte1, Burst4Byte0, 
                          Burst3Byte1, Burst3Byte0, Burst2Byte1, Burst2Byte0, Burst1Byte1, Burst1Byte0, Burst0Byte1, Burst0Byte0}


PG150 will be updated with a more detailed explanation of the app_wdf_data format and example.

Revision History

09/03/2014 - Initial Release

AR# 61909
Date 09/05/2014
Status Active
Type Known Issues
  • Kintex UltraScale
  • Virtex UltraScale
  • MIG UltraScale
Page Bookmarked