sequential (51) chosen clock line
https://kamchihau.blogspot.com/2022/11/httpskamchihau_24.html
Ref: https://kamchihau.blogspot.com/2022/12/httpskamchihau.html .
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John: You can have a look.
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John: See the 2nd picture.
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Me: Ok.
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John : I assume there're 3 bits. They are B1, B2, and B3. If their value and output are (1.1.1). The Clk line of RJ45 is Chosen.
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Me: The parallel output line and parallel input line of bits 1, 2 , 3 are in fact the brach of the Chosen Clock line.

