12hr jk flip design

Discussion in 'Homework Help' started by Ndrew, Mar 31, 2014.

  1. Ndrew

    Thread Starter New Member

    Mar 31, 2014
    3
    0
    Need help with a counter for a jk flip flop thats uses a 12hr clock counter for the hours and minutes only. can someone show me the design of this plan starting with the truth table to the actual circuits design.
     
  2. tshuck

    Well-Known Member

    Oct 18, 2012
    3,531
    675
    This sounds like a homework problem.

    In that case, you need to show your work.

    In any case, you need to put some effort into researching and understanding how to approach your question and make that evident to those you want help from.
     
  3. Ndrew

    Thread Starter New Member

    Mar 31, 2014
    3
    0
    i know how to set up the truth table only problem is the design of the circuit to let start from 6am to 10pm.
     
  4. Ndrew

    Thread Starter New Member

    Mar 31, 2014
    3
    0
    Need help with a counter for a jk flip flop thats uses a 12hr clock counter for the hours and minutes only. can someone show me the design of this plan starting with the truth table to the actual circuits design

    0000
    0010
    0011
    0100
    0101
    0110
    0111
    1000
    1001
    1010
    1011
    0000

    Sequence A B C D Ja Ka Jb Kb Jc Kc Jd Kd
    0 0 0 0 0 0 X 0 X 0 X 1 X
    1 0 0 0 1 0 X 0 X 1 X X 1
    2 0 0 1 0 0 X 0 X X 0 1 X
    3 0 0 1 1 0 X 1 X X 1 X 1
    4 0 1 0 0 0 X X 0 0 X 1 X
    5 0 1 0 1 0 X X 0 1 X X 1
    6 0 1 1 0 0 X X 0 X 0 1 X
    7 0 1 1 1 1 X X 1 X 1 X 1
    8 1 0 0 0 X 0 0 X 0 X 1 X
    9 1 0 0 1 X 0 0 X 1 X X 1
    10 1 0 1 0 X 0 0 X X 0 1 X
    11 1 0 1 1 X 0 1 X X 1 X 1

    Can someone check if what i'm doing so far is correct and i don't know how to implement the k-maps to draw the circuit.
     
  5. Dodgydave

    Distinguished Member

    Jun 22, 2012
    4,998
    745
    Is this homework, or are you making some gadget?
     
  6. tshuck

    Well-Known Member

    Oct 18, 2012
    3,531
    675
    This may help you with what to do next...
     
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