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Pertemuan 18 Control Unit 1. Matakuliah : H0344/Organisasi dan Arsitektur Komputer Tahun : 2005 Versi : 1/1. Learning Outcomes. Pada akhir pertemuan ini, diharapkan mahasiswa akan mampu : Menjelaskan prinsip kerja control unit dalam mengeksekusi beberapa instruction. Outline Materi.
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Pertemuan 18Control Unit 1 Matakuliah : H0344/Organisasi dan Arsitektur Komputer Tahun : 2005 Versi : 1/1
Learning Outcomes Pada akhir pertemuan ini, diharapkan mahasiswa akan mampu : • Menjelaskan prinsip kerja control unit dalam mengeksekusi beberapa instruction
Outline Materi • Micro-Operations • Control of Processor • Hardwired Implementation
Micro-operation Constituent elements of a program execution
Micro-operation The fetch cycle t1 : MAR PC t2 : MBR Memory PC PC + 1 t3 : IR MBR
Micro-operation The indirect cycle t1 : MAR IR(address) t2 : MBR Memory t3 : IR(address) MBR(address) The interrupt cycle t1 : MBR PC t2 : MAR Save_address PC Routine_address t3 : Memory MBR
Micro-operation The execute cycle t1 : MAR IR(address) t2 : MBR Memory t3 : R1 R1 + MBR Add R1, X t1 : MAR IR(address) t2 : MBR Memory t3 : MBR MBR + 1 t4 : Memory MBR If (MBR = 0) then (PC PC + 1) Isz X t1 : MAR IR(address) MBR PC t2 : PC IR(address) Memory MBR t3 : PC PC + 1 Bsa X
Micro-operation Flowchart for instruction cycle
Control of The processor Model of the control unit
Control of The processor Data paths and control signals
Control of The processor Micro-operations and control signals
Control of the processor Internal Processor Organization