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Wujun's avatar
Wujun
Icon for New Contributor rankNew Contributor
6 years ago

Can I assign IO_STANDARD 1.8 V for nPERST pins of Intel® Stratix® 10 PCI Express* Hard IP, but connect it to PCIe RC with 3.3V power domain?

Hello, I assign IO_STANDARD 1.8 V for nPERST pin of Intel® Stratix® 10 PCI Express* Hard IP, and connect VCCIO3V to 1.8V power supply. The nPERST out from CPU is 3.3V power domain. Bu I didn't add ...
BoonT_Intel's avatar
BoonT_Intel
Icon for Frequent Contributor rankFrequent Contributor
6 years ago

Ok, so the pull up resistor is connect to 3.3V. The signal is active low. I don't see any issue in term of functionality but the timing might give some side effect which we don't know the effect. Unless characterize it using hardware.