dept. of electrical and computer eng., nctu
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Dept. of Electrical and Computer Eng., NCTU Combinational Logic vs. Sequential Logic States of Sequential Logic Mod 6 Counter State Machine of Mod 6 Counter Asynchronous Counter Circuit Design of Mod 6 Counter LAB 11: Mod 6 Counter Bonus: Mod 6 Up/Down Counter Dept. of Electrical and Computer Eng., NCTUTRANSCRIPT
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Dept. of Electrical and Computer Eng., NCTU 1
Lab 11. Mod 6 Counter
Presenter: Chun-Hsien KoContributors:
Chung-Ting Jiang and Lin-Kai Chiu
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Logic Design Lab 11. Mod 6 Counter Chun-Hsien Ko
Dept. of Electrical and Computer Eng., NCTU 2
Combinational Logic vs. Sequential Logic States of Sequential Logic
Mod 6 Counter State Machine of Mod 6 Counter Asynchronous Counter Circuit Design of Mod 6 Counter
LAB 11: Mod 6 Counter Bonus: Mod 6 Up/Down Counter
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Logic Design Lab 11. Mod 6 Counter Chun-Hsien Ko
Combinational Logic vs. Sequential Logic
Dept. of Electrical and Computer Eng., NCTU 3
𝑂𝑢𝑡=𝐹 ( 𝐼𝑛) 𝑂𝑢𝑡=𝐹 ( 𝐼𝑛 ,𝑝𝑟𝑒𝑣𝑖𝑜𝑢𝑠 𝐼𝑛)
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Logic Design Lab 11. Mod 6 Counter Chun-Hsien Ko
Sequential Logic
Dept. of Electrical and Computer Eng., NCTU 4
q depend on the number of states
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Logic Design Lab 11. Mod 6 Counter Chun-Hsien Ko
State Machine of Mod 6 Counter How to reduce the 3-bit Counter to Mod 6 Counter?
Dept. of Electrical and Computer Eng., NCTU 5
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Logic Design Lab 11. Mod 6 Counter Chun-Hsien Ko
State Machine of Mod 6 Counter Clear the State when current State is equal to (110)
Dept. of Electrical and Computer Eng., NCTU 6
Clear !!
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Logic Design Lab 11. Mod 6 Counter Chun-Hsien Ko
Falling-edge Trigger JK Flip-Flop
Dept. of Electrical and Computer Eng., NCTU 7
Asynchronous Clear
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Logic Design Lab 11. Mod 6 Counter Chun-Hsien Ko
Circuit Design of Mod 6 Counter
Dept. of Electrical and Computer Eng., NCTU 8
State=(110)
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Logic Design Lab 11. Mod 6 Counter Chun-Hsien Ko
LAB 11: Implement a Mod 6 Counter IC and devices:
7473 x 2 7432 x 1 LED x 3
Clock Source: NC555 x1 470K Resistor x2 1 uF Capacitance x1
Bonus: Mod 6 Up/Down Counter Design the circuit in your report Also implement the circuit
Dept. of Electrical and Computer Eng., NCTU 9