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Altera_Forum
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10 years ago

Using nCONFIG pin in Stratix V to prevent POR event

Hello! It is well-known that at the beginnig of a FPGA powering-up sequence there is an inrush current. So, it is written in the stratix v device handbook that power should ramp-up monotonicall...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Yes, you can kept holding the nCONFIG low until all the power supply reach to the desired voltage level. This will prolong the FPGA device in reset mode. Once reaching the voltage level just release the nCONFIG to high to start the configuration.