On 6/14/21 6:04 PM, Peter Maydell wrote: > Is this definitely right? The STM32F00 datasheet I found > thinks it only has 61 external interrupts. Yes you are right, I don't really known what I have done here. I will fix this in next patchset version. To double-check, it is described page 131 of https://www.st.com/resource/en/reference_manual/cd00246267-stm32f100xx-advanced-arm-based-32-bit-mcus-stmicroelectronics.pdf Thanks, -- Alexandre