Expt-8 - EE 2731 Spring 2011 Digital Logic Lab Click to...

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Unformatted text preview: EE 2731 Spring 2011 Digital Logic Lab Click to edit Master subtitle style Experiment - 8 10/2/11 EE 2731 - Spring 2011 Before You Start o Read note on the experiment o Design the experiment at home o 10/2/11 Note any expected results for your experiment EE 2731 - Spring 2011 Experiment 8 o o o Debounced switch Counters State diagrams 10/2/11 EE 2731 - Spring 2011 Basic Binary Counter o o 74LS163 From “Digital Design: Principles and Practices,” J. F. Wakerly, Prentice Hall, 2000 10/2/11 EE 2731 - Spring 2011 Debounced Switch o o o o Make 4-bit binary counter Test counter using debounced switch as clock Try out non-debounced switch on trainer kit as clock. Estimate number of “bounces.” n n Try 10 “clock ticks” and determine number of “actual cycles” per clock tick. Is this accurate? To Do 10/2/11 EE 2731 - Spring 2011 Debounced Switches o Use an external switch (undebounced) n o Test the switch as before Build a debounced switch n VD D Test the switch R VD S D D at a R D at a To Do R R 10/2/11 EE 2731 - Spring 2011 VD D More on the 74LS163 o From “Digital Design: Principles and Practices,” J. F. Wakerly, Prentice Hall, 2000 10/2/11 EE 2731 - Spring 2011 Wide Counters o From “Digital Design: Principles and Practices,” J. F. Wakerly, Prentice Hall, 2000 10/2/11 EE 2731 - Spring 2011 Custom Counters o 3,4,5,6,7,8,9,10,11,12,3 o From “Digital Design: Principles and Practices,” J. F. Wakerly, Prentice Hall, 2000 10/2/11 EE 2731 - Spring 2011 Counters to Build o o o Count sequence 4,5,6,…,12,4 Count sequence 12,13,14,15,0,1,2,3,4,12 Count sequence 7,8,9,..16,7 To Do 10/2/11 EE 2731 - Spring 2011 ...
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This note was uploaded on 10/02/2011 for the course HNRS 1003 taught by Professor Zerba during the Spring '08 term at LSU.

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Expt-8 - EE 2731 Spring 2011 Digital Logic Lab Click to...

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