Computer System Design Lecture 5

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240-334 Computer System Design Lecture 5 Wannarat Suntiamorntut 240-334 By Wannarat

Part II: Control Path for (Single Cycle) 240-334 By Wannarat

Outline Control for Register-Register Or Immediate Instructions Control Signal for Load/Store Branch Jump Local control : ALU control Main control 240-334 By Wannarat

Single Cycle Datapath 240-334 By Wannarat

Add Instruction Add rd, rs, rt - Mem[PC] - R[rd] <= R[rs] + R[rt] - PC = PC + 4 240-334 By Wannarat

Fetch Unit : Add 240-334 By Wannarat

Single Cycle Datapath : Add 240-334 By Wannarat

Fetch Unit : End of Add 240-334 By Wannarat

Single Cycle Datapath : Immed. 240-334 By Wannarat

Single Cycle Datapath : Immed. 240-334 By Wannarat

Single Cycle Datapath : Load 240-334 By Wannarat

Single Cycle Datapath : Store 240-334 By Wannarat

Single Cycle Datapath : Branch 240-334 By Wannarat

End of Branch intstruction 240-334 By Wannarat

Summary of Control Signal 240-334 By Wannarat

Table of summary control signal 240-334 By Wannarat

Concept of Logical Control 240-334 By Wannarat

Decode of “func” Field 240-334 By Wannarat

240-334 By Wannarat

Truth Table for Main Control 240-334 By Wannarat

Put It Together 240-334 By Wannarat

Worst Case timing Load 240-334 By Wannarat

Next on Lecture 6 240-334 By Wannarat