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Example: Modulo-4 Counter

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A-61<br />

Appendix A: Digital Logic<br />

State Table for Mod-4 <strong>Counter</strong><br />

Present state<br />

Input RESET<br />

0 1<br />

A B/01 A/00<br />

B C/10 A/00<br />

C D/11 A/00<br />

D A/00 A/00<br />

Next state Output<br />

Principles of Computer Architecture by M. Murdocca and V. Heuring © 1999 M. Murdocca and V. Heuring

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