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Altera_Forum's avatar
Altera_Forum
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14 years ago

question about D flip-flop

Hi all, I am wondering what does the PRN port in the D flip-flop used for? When PRN is deasserted, the output always stay asserted.Thanks!
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

It is the preset, when preset = 0, DFF.Q = 1