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Embedded System Bus Communication Process and Timing
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Explore the intricate workings of an embedded system bus with detailed discussions on addressing, data transfer, interrupts, and memory operations. Learn about the clock cycles and protocol involved in high-speed communication.
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Embedded System Bus Communication Process and Timing
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Presentation Transcript
1 M1 2 Bus Indirizzi MREQ P RD 16 WR 1 IORQ 2 INT Clock 8 Bus Dati M1 Memoria Dati Memoria Programma INT INT Daisy Chain IORQ IORQ MREQ RD WR I/O Parallelo Timer/cont. I/O
T1 T2 T3 T4 T5 Clock M1 Addr MREQ RD Data Ciclo OP CODE Fetch
T1 T2 T3 T4 T5 Clock Addr MREQ WR Data Ciclo Memory Write
T1 T2 T3 T4 T5 Clock Addr IORQ WR Data Ciclo I/O Write
T1 T2 T3 T4 T5 Clock INT M1 Addr IORQ RD Data Ciclo Interrupt
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