Posted on June 08, 2017 at 15:01It never stops on the ISR breakpoint, when the interruption raises, it goes to the 0x0800be00 directly, I have a breakpoint there, if I remove the breakpoint (or click on 'continue') it goes to hardfaul, but it is nor...

Posted on June 08, 2017 at 14:33As USART3 and USART4 were sharing the same IRQ, the result is the same. BTW, USART1 and USART2 are working properly.I have my USART3_4_IRQHandler at 0x08000324, and I have a breakpoint on there. See picture below:

Posted on June 08, 2017 at 02:05Interruption table:and the xpsr register:

Posted on June 08, 2017 at 01:49Hi JW,In this case, SYSCFG_CFGR1.MEM_MODE = 00 (Flash), but I also have tried 11 (SRAM), but the result was the same.

Posted on June 07, 2017 at 19:22Hi,I know that it is a very old post, but I am facing the same issue. I have a STM32F072, and I am trying to use the USART4 by interruption. I double - checked the interruption vector and it is ok, but when the interr...