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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
Instruction Memory ＋ Data Memory ALU 2 IFRF EXWB IFPC RFPC IFIRRFIR wadr rega regb regc a b c Imm. ADDI r3,#2LD r3,(r1)LDLI r1,#0 0.
CPU Fetch/Execute Cycle Computer program Electronic clock Computer Memory Data/address buses Fetch/Execute Cycle Accumulator ALU/Control Unit/Program Counter.
The control unit sets up the address bus by transferring the contents of the PC to the MAR The control unit activates the READ line on the control bus.
There are three main parts to this process: Fetch Retrieves the instruction that is required to be used Decode The instructions is interpreted and broken.
Fetch-Execute cycle. Memory Read operation Read from memory.
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Pipeline Example: cycle 1 lw R10,9(R1) sub R11,R2, R3 and R12,R4, R5 or R13,R6, R7.
ECE Computer Architecture Lecture Notes # 6 Shantanu Dutt How to Add To & Use the Basic Processor Organization To Execute Different Instructions.
2.3) Example of program execution 1. instruction B25 8 Op-code B means to change the value of the program counter if the contents of the indicated register.
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-Alan Nelson -Andy Kruger -Dongpu Jin. CPU is one of the most important and complicated parts of a computer. We are going to design, implement and.
© BYU LC3-DC Page 1 ECEn 224 LC3-DC Designing The LC-3 Control IR PC enaMARMenaPC enaALU enaMDR ALU AB.
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1 1998 Morgan Kaufmann Publishers We will be reusing functional units –ALU used to compute address and to increment PC –Memory used for instruction and.
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1 SAP1 (Simple-As-Possible) Computer. 2 Architecture Program counter –4-bit wide Input & MAR –Includes the address & data switch registers –Send 4 address.
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