Universal mode/sg. ●●●●● ●●●● ●●0 System ●●● ●●●● Input Variables工 System Combinational output ogIC Variables State Excitation Variables Variables 0 Memory Flip- flops E CLOCKUniversal model System output Variables O0 Om Er Excitation Variables E0 Combinational logic System Input Variables I0 In S0 Sx State Variables Memory Flip￾flops CLOCK