Figure 43. External Interrupt/Event Gpio Mapping (Stm32F42Xxx And Stm32F43Xxx) - ST STM32F405 Reference Manual

RM0090

Figure 43. External interrupt/event GPIO mapping (STM32F42xxx and STM32F43xxx)

The seven 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 18 is connected to the USB OTG FS Wakeup event
•
EXTI line 19 is connected to the Ethernet Wakeup event
• EXTI line 20 is connected to the USB OTG HS (configured in FS) Wakeup event
•
EXTI line 21 is connected to the RTC Tamper and TimeStamp events
• EXTI line 22 is connected to the RTC Wakeup event
EXTI0[3:0] bits in the SYSCFG_EXTICR1 register
PA0
PB0
PC0
PD0
PE0
EXTI0
PF0
PG0
PH0
PI0
PJ0
PK0
EXTI1[3:0] bits in the SYSCFG_EXTICR1 register
PA1
PB1
PC1
PD1
PE1
EXTI1
PF1
PG1
PH1
PI1
PJ1
PK1
EXTI15[3:0] bits in the SYSCFG_EXTICR4 register
PA15
PB15
PC15
PD15
PE15
PF15
PG15
PH15
PJ15
RM0090 Rev 18
Interrupts and events
EXTI15
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