DocID024597 Rev 5 401/1830
RM0351 Extended interrupts and events controller (EXTI)
409
19
RTC tamper or timestamp or
CSS_LSE
configurable
20 RTC wakeup timer configurable
21 COMP1 output configurable
22 COMP2 output configurable
23 I2C1 wakeup
(2)
direct
24 I2C2 wakeup
(2)
direct
25 I2C3 wakeup direct
26 USART1 wakeup
(2)
direct
27 USART2 wakeup
(2)
direct
28 USART3 wakeup
(2)
direct
29 UART4 wakeup
(2)
direct
30 UART5 wakeup
(2)
direct
31 LPUART1 wakeup direct
32 LPTIM1 direct
33 LPTIM2
(2)
direct
34 SWPMI1 wakeup
(2)
direct
35 PVM1 wakeup configurable
36 PVM2 wakeup configurable
37 PVM3 wakeup configurable
38 PVM4 wakeup configurable
39 LCD wakeup direct
40
(3)
I2C4 wakeup direct
1. All the lines can wake up from the Stop 0 and Stop 1 modes. All the lines, except the ones
mentioned above, can wake up from the Stop 2 mode.
2. This line source cannot wake up from the Stop 2 mode.
3. Only for STM32L496xx/4A6xx devices
Table 58. EXTI lines connections (continued)
EXTI line Line source
(1)
Line type
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