![]() ![]() Hence, using a prescaler can be useful to avoid this situation in the first place if needed. Running the timer module at the system frequency is good for resolution but will generate so many timer overflow interrupts that needs extra care in your code. This is really useful to control the maximum time interval that can be generated using the timer module, the PWM output frequency, or the range of time that can be measured using the timer module. ![]() Arduino Timer PrescalerĪ prescaler in a hardware timer module is a digital circuit that is used to divide the clock signal’s frequency by a configurable number to bring down the timer clock rate so it takes longer to reach the overflow (maximum count number).
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