Table 62. Exti Line Connections; Figure 29. Exti Gpio Mux - ST STM32G0 1 Series Reference Manual

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Extended interrupt and event controller (EXTI)

EXTI_EXTICR1.EXTI0

The EXTIs mux outputs are available as output signals from the EXTI, to trigger other

functional blocks. The EXTI mux outputs are available independently of mask setting

through the EXTI_IMR and EXTI_EMR registers.

The EXTI lines (event inputs) are connected as shown in the following table.

Table 62. EXTI line connections

EXTI_EXTICR1.EXTI1

COMP1 output

COMP2 output

COMP3 output

USART3 wakeup

USART1 wakeup

USART2 wakeup

LPUART1 wakeup

UCPD1 wakeup

UCPD2 wakeup

RM0444 Rev 5

EXTI_EXTICR4.EXTI15

Configurable

Configurable

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