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System Tick Problem

Question asked by asl.sean on Feb 24, 2014
Latest reply on Feb 25, 2014 by fm
Hi , 

I am using STM32F429 discovery. The system tick is suppose to produce an interrupt every 1ms. 

However, i have gotten 3.12ms instead. Did i make a mistake ?

int main(void)
    // Pulsing at 1msec per interrupt
    while (1){}
void SysTick_Handler(void)
        GPIOE->ODR ^= GPIO_Pin_4;