SEC14=B_0x0, SEC18=B_0x0, SEC12=B_0x0, SEC2=B_0x0, SEC17=B_0x0, SEC23=B_0x0, SEC10=B_0x0, SEC16=B_0x0, SEC19=B_0x0, SEC7=B_0x0, SEC0=B_0x0, SEC21=B_0x0, SEC3=B_0x0, SEC22=B_0x0, SEC11=B_0x0, SEC13=B_0x0, SEC15=B_0x0, SEC8=B_0x0, SEC5=B_0x0, SEC4=B_0x0, SEC1=B_0x0, SEC20=B_0x0, SEC25=B_0x0, SEC24=B_0x0, SEC6=B_0x0, SEC9=B_0x0
EXTI security configuration register
SEC0 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC1 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC2 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC3 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC4 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC5 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC6 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC7 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC8 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC9 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC10 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC11 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC12 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC13 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC14 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC15 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC16 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC17 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC18 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC19 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC20 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC21 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC22 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC23 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC24 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |
SEC25 | Security enable on event input x When EXTI_PRIVCFGR.PRIVx is disabled, SECx can be accessed with privileged and unprivileged access. When EXTI_PRIVCFGR.PRIVx is enabled, SECx can only be written with privileged access. Unprivileged write to this SECx is discarded. Note: SEC25, SEC24, and SEC23 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): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |