| Line | mode | port | comment |
| Exti Line 0 | | | |
| Exti Line 1 | | | |
| Exti Line 2 | | | |
| Exti Line 3 | | | |
| Exti Line 4 | | | |
| Exti Line 5 | | | |
| Exti Line 6 | | | |
| Exti Line 7 | | | |
| Exti Line 8 | | | |
| Exti Line 9 | | | |
| Exti Line 10 | | | |
| Exti Line 11 | | | |
| Exti Line 12 | | | |
| Exti Line 13 | | | |
| Exti Line 14 | | | |
| Exti Line 15 | | | |
| Exti Line 16 | | | PVD Output |
| Exti Line 17 | | | RTC Alarm event |
| Exti Line 19 | | | RTC Tamper and Time Stamp events |
| Exti Line 21 | | | Comparator 1 |
| Exti Line 22 | | | Comparator 2 |
| Exti Line 23 | | | I2C1 wakeup |
| Exti Line 25 | | | USART1 wakeup |
| Exti Line 27 | | | CEC wakeup |