SAM C21 Systick Overview
Last modified by Microchip on 2023/11/10 11:08
The SAM C21 ARM® Cortex®-M0+ Processor Core includes an optional System Timer Module (SysTick) that provides a simple, 24-bit clear-on-write, decrementing, wrap-on-zero counter with a flexible control mechanism.
This hardware may be configured to periodically generate an interrupt and trigger the following handler routine:
void SysTick_Handler(void){
...
}
...
}
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