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NShan12's avatar
NShan12
Icon for Occasional Contributor rankOccasional Contributor
5 years ago

Timing issues on DFF feedback loop.

Hello, I wanted to know if the output of DFF in the attached design leads to any timing problems. What happens to DFF output if both Preset and Clear are active at the same time? CLK is 32 MHz....
KhaiChein_Y_Intel's avatar
KhaiChein_Y_Intel
Icon for Regular Contributor rankRegular Contributor
5 years ago

Hi,

It is difficult to investigate the root cause without the design to reproduce the error.

I tried to create a small test case to help you understand how the preset and clear works in the DFF. Hope it helps.

Thanks

Best regards,

KhaiY