How to design a synchronous counter 4 bit using JK flip flop that can count up even numbers from 0 to 14, and count down odd numbers from 15 to 0 in 1 system - Quora
Synchronous counter
4-bit Binary Up Counter JK Flip-Flop - Multisim Live
Designing Synchronous Counters Using JK Flip Flops - YouTube
Design a 4-Bit Truncated Sequence Counter (Using JK Flip Flops) - YouTube
verilog - Synchronous Counter using JK flip-flop not behaves as expected - Stack Overflow
Synchronous Counter and the 4-bit Synchronous Counter