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Pin Diagram Of 8086 Microprocessor: The Hardware Model

The 8086 is a 16-bit microprocessor intended to be used as the CPU in a microcomputer. The 8086 Microprocessor - Internal Architecture sh...

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Timing diagram, State, Machine Cycle, and Instruction Cycle : 8086 Microprocessor

Timing diagram:

Timing Diagram shows the behavior of the object(s) in a given period of time. It is a graphical method of showing the exact output behavior of a logic circuit for every possible set of input conditions. It is often used in digital devices to describe the operation. Its visual characteristics are easy to understand the operation.

T-state:

One sub-division of an operation performed in one clock cycle is called a T-state. T1, T2, T3, T4  are called states.

Machine cycle:

A group of state come together to perform one operation is called machine cycle.

Instruction cycle:

The total time for fetching and executing an instruction is called instruction cycle. An instruction cycle consists of one or more machine cycle.



Example of Timing diagram, t-state, machine cycle and instruction cycle


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