ST STM32WL55JC Reference Manual page 440

System configuration controller (SYSCFG)
Bit 31 EXTI15IM: EXTI15 interrupt mask to CPU2
0: EXTI15 interrupt forwarded to CPU2
1. EXTI15 interrupt to CPU2 masked
Bit 30 EXTI14IM: EXTI14 interrupt mask to CPU2
Bit 29 EXTI13IM: EXTI13 interrupt mask to CPU2
Bit 28 EXTI12IM: EXTI12 interrupt mask to CPU2
Bit 27 EXTI11IM: EXTI11 interrupt mask to CPU2
Bit 26 EXTI10IM: EXTI10 interrupt mask to CPU2
Bit 25 EXTI9IM: EXTI9 interrupt mask to CPU2
Bit 24 EXTI8IM: EXTI8 interrupt mask to CPU2
Bit 23 EXTI7IM: EXTI7 interrupt mask to CPU2
Bit 22 EXTI6IM: EXTI6 interrupt mask to CPU2
Bit 21 EXTI5IM: EXTI5 interrupt mask to CPU2
Bit 20 EXTI4IM: EXTI4 interrupt mask to CPU2
Bit 19 EXTI3IM: EXTI3 interrupt mask to CPU2
Bit 18 EXTI2IM: EXTI2 interrupt mask to CPU2
Bit 17 EXTI1IM: EXTI1 interrupt mask to CPU2
Bit 16 EXTI0IM: EXTI0 interrupt mask to CPU2
Bits 15:12 Reserved, must be kept at reset value.
Bit 13 DACIM: DAC interrupt mask to CPU2
0: DAC interrupt forwarded to CPU2
1. DAC interrupt to CPU2 masked
Bit 12 ADCIM: ADC interrupt mask to CPU2
0: ADC interrupt forwarded to CPU2
1. ADC interrupt to CPU2 masked
Bit 11 COMPIM: COMP interrupt mask to CPU2
0: COMP interrupt forwarded to CPU2
1. COMP interrupt to CPU2 masked.
Bit 10 AESIM: AES interrupt mask to CPU2
0: AES interrupt forwarded to CPU2
1. AES interrupt to CPU2 masked
Bit 9 Reserved, must be kept at reset value.
Bit 8 PKAIM: PKA interrupt mask to CPU2
0: PKA interrupt forwarded to CPU2
1. PKA interrupt to CPU2 masked
Bit 7 Reserved, must be kept at reset value.
Bit 6 FLASHIM: FLASH interrupt mask to CPU2
0: FLASH interrupt forwarded to CPU2
1. FLASH interrupt to CPU2 masked
440/1454 RM0453 Rev 2
RM0453