Posted on May 17, 2011 at 13:19Hi St7 According to the User Manual on p36, UART4 is on APB1. Is there something else that I am missing? Thanx

Posted on May 17, 2011 at 13:19Im using UART4 on the STM32F103Ze. As soon as an UART4 RX Interrupt occurs, a hard fault exception occurs Hard fault Status Register = 0x40000000 (bit 30 is set) As far as I know this indicates one of the following fau...