ST STM32F2

UM1940
HAL CORTEX Generic Driver
DocID028236 Rev 2
131/1371
CORTEX Preemption Priority Group
NVIC_PRIORITYGROUP_0
0 bits for pre-emption priority 4 bits for subpriority
NVIC_PRIORITYGROUP_1
1 bits for pre-emption priority 3 bits for subpriority
NVIC_PRIORITYGROUP_2
2 bits for pre-emption priority 2 bits for subpriority
NVIC_PRIORITYGROUP_3
3 bits for pre-emption priority 1 bits for subpriority
NVIC_PRIORITYGROUP_4
4 bits for pre-emption priority 0 bits for subpriority
CORTEX SysTick clock source
SYSTICK_CLKSOURCE_HCLK_DIV8
SYSTICK_CLKSOURCE_HCLK