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Synkrona sekvensnät: Tillståndsmaskiner. Moore och Mealy automat.

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Nextstate-funktionen<br />

S0<br />

S1<br />

S2<br />

Nuv. värde Utsignal Nästa värde D-vippa<br />

Q 1 Q 0 f Q + +<br />

1 Q 0 D 1 D 0<br />

0 0 0 0 1 0 1<br />

0 1 0 1 0 1 0<br />

1 0 1 0 0 0 0<br />

1 1 - - - (ej 11) - -<br />

p. 39 - IE1204 Digital Design – F9 - Johnny Öberg, ICT/ES<br />

Karnaugh-diagram<br />

Q 0<br />

Q 1<br />

0 1<br />

0 0 1<br />

1 0 -<br />

Q 0<br />

Q 1<br />

0 1<br />

0 1 0<br />

1 0 -<br />

Q 0<br />

Q 1<br />

0 1<br />

0 0 0<br />

1 1 -<br />

D 1 =Q 0 D 0 = Q 1 Q 0 f =Q 1<br />

p. 40 - IE1204 Digital Design – F9 - Johnny Öberg, ICT/ES

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