SEC77=B_0x0
EXTI security enable register
| SEC64 | Security enable on event input x |
| SEC65 | Security enable on event input x |
| SEC66 | Security enable on event input x |
| SEC68 | Security enable on event input x |
| SEC69 | Security enable on event input x |
| SEC70 | Security enable on event input x |
| SEC71 | Security enable on event input x |
| SEC72 | Security enable on event input x |
| SEC73 | Security enable on event input x |
| SEC74 | Security enable on event input x |
| SEC77 | Security enable on event input 77 0 (B_0x0): Event security disabled (non-secure) 1 (B_0x1): Event security enabled (secure) |