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Control Unit - Coggle Diagram
Control Unit
Micro-Operations
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The Interrupt cycle
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Saving context is done by interrupt handler routine, not micro-ops
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Th instruction cycle
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For both the fetch and execute cycles, the next cycle depens on the state of the system
Control oh the processor
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The intel 8085
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The timing of processor operations is synchronized by the clock and controlled by the control unit with conrol signals
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Example of 8085 timing for an OUT instruction, which requires three machine cycles
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