OUT_A OUT_B DataIn CLR WrEn SEL_C SEL_A SEL_B RegisterBank CLK R0 R1 R2 R3 A B OpType Res ALU EN CLR PH1 PH5 Phase Gen CLK phase_num MOV IMM_VAL IMM_EN R_AB_EN SEL_A SEL_B SEL_C WrEn PH1 PH2 PH4 PH3 PH5 IR PH1 PH2 PH3 PH4 PH5 IR IMM_VAL IMM_EN R_AB_EN SEL_A SEL_B SEL_C WrEn ALU_OP