Hello, First of all, I am sorry for my english. Then I am doing a application with CANBUS Protochol. so ı need to use PB13 pin of STM32F429. but when I use this pin, CAN2 is not work. When I look datasheet, this pin is connected VBUS. I set the pin to GPIO_AF9_CAN2, but This is not work still. Can do you help me?