RegDst Branch MemRead Instruction G31-261 Control AL MemWrite ALUSrc RegWrite Instruction 125-21 Read registe Read Instruction [20-16] Read data 1 address register 2 31-01 M wrae Read Instruction Instruction [15-11 register data 2 memory Registers Sign 32 16 Instruction [15-01 extend Instruction [5-01 Add resur Shift left 2 ALU result control Address data M data memory