What is Prescaler?

A circuit that divides the clock fed to a timer or similar by a fixed ratio, bringing a fast clock into a range the timer can count.

Field: Embedded Systems & Firmware

Prescaler in the explanations

A prescaler divides a clock that is too fast so the timer can count over a useful range.
A timer counts a 16 MHz clock divided by 16 with a prescale…

Questions that mention Prescaler (1)

A timer counts a 16 MHz clock divided by 16 with a prescaler and raises an interrupt every 1000 counts. What is the interrupt interval?

Related terms

Interrupt Real-time operating system (RTOS) Baud rate Bootloader Brown-out detection Contact bounce Debouncing Duty cycle GPIO Hard real-time

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