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Embedded System Bus Communication Process and Timing

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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  1. 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

  2. T1 T2 T3 T4 T5 Clock M1 Addr MREQ RD Data Ciclo OP CODE Fetch

  3. T1 T2 T3 T4 T5 Clock Addr MREQ WR Data Ciclo Memory Write

  4. T1 T2 T3 T4 T5 Clock Addr IORQ WR Data Ciclo I/O Write

  5. T1 T2 T3 T4 T5 Clock INT M1 Addr IORQ RD Data Ciclo Interrupt

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