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Thank you.
I had found the document to introduce this step by step:
This is my link:
http://www.mediafire.com/?iv6v06zs288bdgd From page 11 to page 18. But i don't know how to make a state table - High level description (at page 13). Because the original circuit have 5 state from Y0 to Y4 and new circuit have only 3.
Could you help me?
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You don't need a complicated state machine approach. All you need - given DFF, how do convert to JK or T.
Converting JK or T to D is easy but the reverse is a bit more involved.
I found this circuit for converting D to JK (check if it is correct):
add two AND plus one Or at front of DFF. The Ored output connects to D.
(J)---------------and1_input1
(Q')--------------and1_input2
Q'---invert-------and2_input1
K----invert-------and2_input2
To convert D to T, convert JK to T by wiring the above JK together.
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