Hi,
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Cyclone V POR trip level?
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Power Supplies Monitored by POR, should meet 80% of its last power supply.
https://www.altera.com/content/dam/altera-www/global/en_us/pdfs/literature/hb/cyclone-v/cv_5v2.pdf http://www.ee.ic.ac.uk/pcheung/teaching/e2_experiment/c5%20handbook%20v1.pdf --- Quote Start ---
how long will nSTATUS stay low level after FPGA reset?
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For Cyclone one FPGA resets the configuration device by pulsing nCSO, releases nSTATUS after a reset time-out period (about 30 μs), and retries configuration.
https://www.altera.com/en_us/pdfs/literature/hb/cyc/cyc_c51013.pdf or Cyclone 5 refer Cylone5 handbook.
Best Regards,
Anand Raj Shankar
(This message was posted on behalf of Intel Corporation)