Curs SMP 8086 - Microprocesoruldidactic 8086...

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    1 Microprocesorul “didactic” 8086 - cel mai intuitiv exemplu -
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2 Indicatori conditie (Flags) Operanzi Registre de uz general Registre de segment Instruction Pointer (IP) Generare adrese si comanda magistrala Sir instructiuni ALU Magistrala multiplexata Unitate de interfata cu magistrala (Bus Interface Unit) BIU EU 8086 – Schema bloc
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3 Microprocesor 8086 MRDC/ MWTC/ IORC/ IOWC/ AIOWC/ INTA/ AMWC/ MCE/PDEN S 0 S 1 S 2 S 2 S 1 S 0 AEN/ DEN DT / R/ ALE ALE DT / R/ DEN AD 0 – AD 15 A 16 / S 3 A 19 – S 6 QS 1 , QS 0 LOCK BHE/ RD/ READY 8288 BIU CLK INTR TEST/ NMI RESET MN / MX/ RQ/ / GT 1 / RQ/ / GT 0 / V CC GND
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4 Nume Functie AD 15 – AD 0 Magistrala date/adrese A 19 / S 6 … A 16 / S 3 Magistrala adrese/linii de stare MN / MX/ Mod minim/maxim RD/ Comanda citire TEST/ Wait on test control READY Comanda starilor “WAIT” RESET Resetarea sistemului NMI Cerere Intrerupere nemascabila INTR Cerere Intrerupere CLK Semnal ceas V CC Alimentare +5V GND Linia de ground RQ/ / GT 1,0 / Cerere/acceptare control magistrala
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This note was uploaded on 11/05/2011 for the course AUTOMATIC 28 taught by Professor Ionescutraian during the Spring '11 term at UPB Colombia.

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Curs SMP 8086 - Microprocesoruldidactic 8086...

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