Diagram of time units inside the microcontroller-EEWORLD

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The time unit inside the microcontroller

Oscillation frequency fosc = quartz crystal frequency or external input clock frequency

Oscillation period = inverse of oscillation frequency

Machine Cycle

The machine cycle is the most important unit for measuring time in microcontroller applications.

In most 51 series microcontrollers:

Instruction cycle - the time required to execute an instruction

Unit: Machine cycle

51 MCU: single-cycle instruction, double-cycle instruction, four-cycle instruction

Keywords：MCU Reference address：Diagram of time units inside the microcontroller

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