How do you detect a sequence of "1101" arriving serially
from a signal line?
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Answer Posted / av
Use 4 D-bascules connected in serial, all synchronized with
the same CLK. Then connect all 4 outputs, & 2nd output must
reverse, of the D-bascule to an AND logic. The output of
the AND logic sould have '1' when it detectes "1101". This
technic oftenly use for glitch detection in the signal.
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