CMD/ADDR to REF_CLK Training Fail

Possible Reason
Signal integrity issues on CA. When CMD/ADDR to REF_CLK training fails, a dialog box appears as shown in the following figure.
Figure 1. CMD/ADDR to REF_CLK Training Fail
Graphical user interface, text, application Description automatically generated
Workaround
Configure any one of the following parameters to a different value using the MSS Configurator when CMD/ADDR to REF_CLK (CA/CK) training fails:
  • Memory CA ODT
  • FPGA ADD/CMD Drive
The following figure shows the configuration of CA ODT in the DDR Memory Initialization tab.
Figure 1. Configuring CA ODT—DDR Memory Initialization Tab
Graphical user interface, application Description automatically generated
The following figure shows the configuration of ADD/CMD drive in the DDR Controller tab.
Figure 2. Configuring ADD/CMD Drive—DDR Controller Tab
Graphical user interface, application Description automatically generated
Parent topic: Troubleshooting