UPGRADE YOUR BROWSER

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

Description

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}

Solution

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 Created 09/03/2014
Last Updated 09/05/2014
Status Active
Type Known Issues
Devices
  • Kintex UltraScale
  • Virtex UltraScale
IP
  • MIG UltraScale