パイプライン化してない PICO ALU pc ir register file mar mdr Address busData bus Memory Controller
PICO のパイプライン構造 Instruction Memory + Data Memory ALU 2 IFRF EXWB IFPC RFPC IFIRRFIR wadr rega regb regc a b c Imm.
Instruction Memory + Data Memory ALU 2 IFRF EXWB IFPC RFPC IFIRRFIR wadr rega regb regc a b c Imm. LDLI r1,#1
Instruction Memory + Data Memory ALU 2 IFRF EXWB IFPC RFPC IFIRRFIR wadr rega regb regc a b c Imm. LDLI r2,#2LDLI r1,#1
Instruction Memory + Data Memory ALU 2 IFRF EXWB IFPC RFPC IFIRRFIR wadr rega regb regc a b c Imm. LDLI r3,#3LDLI r2,#2LDLI r1,#1 1
Instruction Memory + Data Memory ALU 2 IFRF EXWB IFPC RFPC IFIRRFIR wadr rega regb regc a b c Imm. ADD r1,#2LDLI r2,#2LDLI r1,#1 2 1 LDLI r3,#3
Instruction Memory + Data Memory ALU 2 IFRF EXWB IFPC RFPC IFIRRFIR wadr rega regb regc a b c Imm. ADD r2,r2LDLI r3,#3LDLI r2,#2 3 2 ADD r1,#2
Instruction Memory + Data Memory ALU 2 IFRF EXWB IFPC RFPC IFIRRFIR wadr rega regb regc a b c Imm. ADD r2,r2LDLI r3,#3 3 3 ADD r1,#2
Instruction Memory + Data Memory ALU 2 IFRF EXWB IFPC RFPC IFIRRFIR wadr rega regb regc a b c Imm. ADD r2,r2 4 3 ADD r1,#2
Instruction Memory + Data Memory ALU 2 IFRF EXWB IFPC RFPC IFIRRFIR wadr rega regb regc a b c Imm. ADD r2,r2 4