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Lab3_Problem-8-S - Combinational Circuit Design and...

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Unformatted text preview: Combinational Circuit Design and Simulation Using Gates 223 8.5 Designa“diskspinning”animationcircuitfora€l)player.'l‘heinputmthecircuitwi]l be a 3-bitbinary nunlberrilzizfir3 provided by another circuit. [twill count from 0 to 7 in binaryandfltenitwillmpeat.(waillleamtodesignsuchoountersinUnit12-)The animation will appearonfltetopfonr lights ofthe LEDdisplay offigure 8-14, i.e., onX.. X2,X7,andX6. going ciockwise.'l‘heanimation shouldconsist of ablank spotonadiskspin— ning around once, beginning with X,. Then, the entire disk should blink on and off twice. Thepatternisshown. E fiflgflflflflfl 930 M M M M M M M A1A2A3= 000 001 010 011 100 101 110 111 Design your circuit using oniy 2-, 3-, and 4~input NOR gates and inverters. Try to minimize the number of gates required. Any soiution which uses 11 or fewer gates (not counting the four inverters for the inputs) is acceptable. ...
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