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Hi Mike, I'm not sure but 1ms is the smallest rate you can achieve with RTOS Tasks. Use MIOS32 Timer instead, the timer can be set to a multiple of 1us Check this: Best regards Bruno

In your App.c #define RESOLUTION 1000 // in uS #define TIMER_NUM 1 // TIM3 #define TIMER_PRIO MIOS32_IRQ_PRIO_MID static void TIMER_TIck(void); ///////////////////////////////////////////////////////////////////////////// // This hook is called after startup to initialize the application ///////////////////////////////////////////////////////////////////////////// void APP_Init(void) { MIOS32_TIMER_Init(TIMER_NUM, RESOLUTION, TIMER_TIck, TIMER_PRIO); } // This function will be called every ms static void TIMER_TIck(void) { // Your function here } This is MIOS32 ready to use Timer function.