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KWang97's avatar
KWang97
Icon for Occasional Contributor rankOccasional Contributor
6 years ago

After watchdog for dual-config is enabled, the FPGA seems like not work properly every dozens of seconds. Why?

FPGA communicates with another FPGA with PHY chip. Normally(watchdog enable checkbox not checked), the PHY link led is always off when communication is good. While after I enble watchdog for dual-con...
JohnT_Altera's avatar
JohnT_Altera
Icon for Regular Contributor rankRegular Contributor
6 years ago

Hi,

Thanks for the explanation. It looks like something went wrong when you enable the watchdog timer. I think you will need to signalTap into your design to understand what is causing the PHY communication to break down. Cause the working chip does not face any issue and the reset watchdog timer should be working correctly.