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FSM Examples

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1, .*<br />

2,#*<br />

K-map for P1<br />

Q1Q0 Q1<br />

DN 00 01 11 10<br />

00 0 0 1 1<br />

01 0 1 1 1<br />

N<br />

11 X X X X<br />

D<br />

10 1 1 1 1<br />

Q0<br />

K-map for P0<br />

Q1Q0 Q1<br />

DN 00 01 11 10<br />

00 0 1 1 0<br />

01 1 0 1 1<br />

N<br />

11 X X X X<br />

D<br />

10 0 1 1 1<br />

Q0<br />

K-map for Open<br />

Q1Q0 Q1<br />

DN 00 01 11 10<br />

00 0 0 1 0<br />

01 0 0 1 0<br />

N<br />

11 X X X X<br />

D<br />

10 0 0 1 0<br />

Q0<br />

P 1 = Q 1 + D + Q 0 N<br />

P 0 = Q 0 'N + Q 0 N' + Q 1 N + Q 1 D<br />

OPEN = Q 1 Q 0<br />

if FFs do not have a reset pin then<br />

P 1 = reset'(Q 1 + D + Q 0 N)<br />

P 0 = reset'(Q 0 'N + Q 0 N' + Q 1 N + Q 1 D)<br />

A BC 83 8C <<br />

A BC D< 8C

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