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Honored Contributor
Honored ContributorFPGA external reset
hi， I am using Cyclone III,and I'd like to have my own external reset.but I am not sure when to safely insert external reset ASAP. Do I have to use it after CONF_DONE goes high? i...
Altera_ForumHonored Contributor
Honored ContributorA "standard" technique that I picked up from somewhere (perhaps an Altera reference design) was to route CONF_DONE to the reset supervisor input pin via a buffer (to isolate CONF_DONE), eg., see p95
http://www.ovro.caltech.edu/~dwh/carma_board/gda06rb004_carma_v0.87_dec03.pdf http://www.ovro.caltech.edu/~dwh/carma_board/ This ensures that the external reset is asserted until after the device enters user mode. Cheers, Dave
