stm32 /stm32h5 /STM32H503 /LPTIM1 /LPTIM_ISR_intput

capture 1 interrupt flag If channel CC1 is configured as input: CC1IF is set by hardware to inform application that the current value of the counter is captured in LPTIM_CCR1 register. The corresponding interrupt or DMA request is generated if enabled. The CC1OF flag is set if the CC1IF flag was already high.

0 (B_0x0): No input capture occurred

1 (B_0x1): The counter value has been captured in the LPTIM_CCR1 register. (An edge has been detected on IC1 which matches the selected polarity). The CC1IF flag is automatically cleared by hardware once the captured value is read (CPU or DMA).CC1IF flag can be cleared by writing 1 to the CC1CF bit in the LPTIM_ICR register.

Autoreload match ARRM is set by hardware to inform application that LPTIM_CNT register’s value reached the LPTIM_ARR register’s value. ARRM flag can be cleared by writing 1 to the ARRMCF bit in the LPTIM_ICR register.

External trigger edge event EXTTRIG is set by hardware to inform application that a valid edge on the selected external trigger input has occurred. If the trigger is ignored because the timer has already started, then this flag is not set. EXTTRIG flag can be cleared by writing 1 to the EXTTRIGCF bit in the LPTIM_ICR register.

Autoreload register update OK ARROK is set by hardware to inform application that the APB bus write operation to the LPTIM_ARR register has been successfully completed. ARROK flag can be cleared by writing 1 to the ARROKCF bit in the LPTIM_ICR register.

Counter direction change down to up In Encoder mode, UP bit is set by hardware to inform application that the counter direction has changed from down to up. UP flag can be cleared by writing 1 to the UPCF bit in the LPTIM_ICR register. Note: If the LPTIM does not support encoder mode feature, this bit is reserved. Please refer to .

Counter direction change up to down In Encoder mode, DOWN bit is set by hardware to inform application that the counter direction has changed from up to down. DOWN flag can be cleared by writing 1 to the DOWNCF bit in the LPTIM_ICR register. Note: If the LPTIM does not support encoder mode feature, this bit is reserved. Please refer to .

LPTIM update event occurred UE is set by hardware to inform application that an update event was generated. UE flag can be cleared by writing 1 to the UECF bit in the LPTIM_ICR register.

Repetition register update OK REPOK is set by hardware to inform application that the APB bus write operation to the LPTIM_RCR register has been successfully completed. REPOK flag can be cleared by writing 1 to the REPOKCF bit in the LPTIM_ICR register.

Capture 2 interrupt flag If channel CC2 is configured as input: CC2IF is set by hardware to inform application that the current value of the counter is captured in LPTIM_CCR2 register. The corresponding interrupt or DMA request is generated if enabled. The CC2OF flag is set if the CC2IF flag was already high. Note: If LPTIM does not implement at least 2 channels this bit is reserved. Please refer to .

0 (B_0x0): No input capture occurred

1 (B_0x1): The counter value has been captured in the LPTIM_CCR2 register. (An edge has been detected on IC2 which matches the selected polarity). The CC2IF flag is automatically cleared by hardware once the captured value is read (CPU or DMA). The CC2IF flag can be cleared by writing 1 to the CC2CF bit in the LPTIM_ICR register.

Capture 1 over-capture flag This flag is set by hardware only when the corresponding channel is configured in input capture mode. It is cleared by software by writing 1 to the CC1OCF bit in the LPTIM_ICR register. Note: If LPTIM does not implement at least 1 channel this bit is reserved. Please refer to .

0 (B_0x0): No over-capture has been detected.

1 (B_0x1): The counter value has been captured in LPTIM_CCR1 register while CC1IF flag was already set.

Capture 2 over-capture flag This flag is set by hardware only when the corresponding channel is configured in input capture mode. It is cleared by software by writing 1 to the CC2OCF bit in the LPTIM_ICR register. Note: If LPTIM does not implement at least 2 channels this bit is reserved. Please refer to .

0 (B_0x0): No over-capture has been detected.

1 (B_0x1): The counter value has been captured in LPTIM_CCR2 register while CC2IF flag was already set.

Interrupt enable register update OK DIEROK is set by hardware to inform application that the APB bus write operation to the LPTIM_DIER register has been successfully completed. DIEROK flag can be cleared by writing 1 to the DIEROKCF bit in the LPTIM_ICR register.