RM0401 Rev 3 205/771
RM0401 Interrupts and events
210
9.2.5 External interrupt/event line mapping
Up to 50 GPIOs are connected to the 16 external interrupt/event lines in the following
manner:
Figure 30. External interrupt/event GPIO mapping
The five other EXTI lines are connected as follows:
• EXTI line 16 is connected to the PVD output
• EXTI line 17 is connected to the RTC Alarm event
• EXTI line 21 is connected to the RTC Tamper and TimeStamp events
• EXTI line 22 is connected to the RTC Wakeup event
• EXTI line 23 is connected to the LPTIM1 asynchronous interrupt
3$
3%
3&
3$
3%
3&
3$
3%
3&
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069
3+
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