RT20=B_0x0, RT25=B_0x0, RT24=B_0x0, RT16=B_0x0, RT14=B_0x0, RT11=B_0x0, RT9=B_0x0, RT7=B_0x0, RT5=B_0x0, RT3=B_0x0, RT1=B_0x0, RT0=B_0x0, RT4=B_0x0, RT23=B_0x0, RT10=B_0x0, RT18=B_0x0, RT2=B_0x0, RT17=B_0x0, RT6=B_0x0, RT19=B_0x0, RT22=B_0x0, RT21=B_0x0, RT8=B_0x0, RT12=B_0x0, RT15=B_0x0, RT13=B_0x0
EXTI rising trigger selection register
| RT0 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT1 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT2 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT3 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT4 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT5 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT6 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT7 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT8 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT9 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT10 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT11 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT12 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT13 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT14 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT15 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT16 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT17 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT18 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT19 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT20 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT21 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT22 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT23 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT24 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |
| RT25 | Rising trigger event configuration bit of configurable event input x When EXTI_SECCFGR.SECx is disabled, RTx can be accessed with non-secure and secure access. When EXTI_SECCFGR.SECx is enabled, RTx can only be accessed with secure access. Non-secure write to this bit x is discarded and non-secure read returns 0. When EXTI_PRIVCFGR.PRIVx is disabled, RTx can be accessed with unprivileged and privileged access. When EXTI_PRIVCFGR.PRIVx is enabled, RTx can only be accessed with privileged access. Unprivileged write to this bit x is discarded, unprivileged read returns 0. Note: RT25, RT24, and RT23 bits are only available on some devices in the STM32U5 Series. Refer to the EXTI line connections table for its availability. If not present, consider this bit as reserved and keep at reset value. 0 (B_0x0): Rising trigger disabled (for event and interrupt) for input line 1 (B_0x1): Rising trigger enabled (for event and interrupt) for input line |