STMicroelectronics /STM32U083 /EXTI /EXTI_EXTICR4

EXTI12 GPIO port selection These bits are written by software to select the source input for EXTI12 external interrupt. Others reserved

0 (B_0x00): PA[12] pin

1 (B_0x01): PB[12] pin

2 (B_0x02): PC[12] pin

3 (B_0x03): PD[12] pin

5 (B_0x05): PF[12] pin

EXTI13 GPIO port selection These bits are written by software to select the source input for EXTI13 external interrupt. Others reserved

0 (B_0x00): PA[13] pin

1 (B_0x01): PB[13] pin

2 (B_0x02): PC[13] pin

3 (B_0x03): PD[13] pin

5 (B_0x05): PF[13] pin

EXTI14 GPIO port selection These bits are written by software to select the source input for EXTI14 external interrupt. Others reserved

0 (B_0x00): PA[14] pin

1 (B_0x01): PB[14] pin

2 (B_0x02): PC[14] pin

3 (B_0x03): PD[14] pin

5 (B_0x05): PF[14] pin

EXTI15 GPIO port selection These bits are written by software to select the source input for EXTI15 external interrupt. Others reserved

0 (B_0x00): PA[15] pin

1 (B_0x01): PB[15] pin

2 (B_0x02): PC[15] pin

3 (B_0x03): PD[15] pin

5 (B_0x05): PF[15] pin