EXTI security configuration register
| SEC0 | Security enable on event input x |
| SEC1 | Security enable on event input x |
| SEC2 | Security enable on event input x |
| SEC3 | Security enable on event input x |
| SEC4 | Security enable on event input x |
| SEC5 | Security enable on event input x |
| SEC6 | Security enable on event input x |
| SEC7 | Security enable on event input x |
| SEC8 | Security enable on event input x |
| SEC9 | Security enable on event input x |
| SEC10 | Security enable on event input x |
| SEC11 | Security enable on event input x |
| SEC12 | Security enable on event input x |
| SEC13 | Security enable on event input x |
| SEC14 | Security enable on event input x |
| SEC15 | Security enable on event input x |
| SEC16 | Security enable on event input x |
| SEC17 | Security enable on event input x |
| SEC18 | Security enable on event input x |
| SEC19 | Security enable on event input x |
| SEC20 | Security enable on event input x |
| SEC21 | Security enable on event input x |
| SEC22 | Security enable on event input x |
| SEC23 | Security enable on event input x |
| SEC24 | Security enable on event input x |
| SEC25 | Security enable on event input x |
| SEC26 | Security enable on event input x |
| SEC27 | Security enable on event input x |
| SEC28 | Security enable on event input x |
| SEC29 | Security enable on event input x |
| SEC30 | Security enable on event input x |
| SEC31 | Security enable on event input x |