Posted on November 11, 2012 at 23:46Reading UM0033, page 138, figure 14. Sorry, can not exactly understand it. For example, I want to connect C.8 to CAN1_TX and C.9 to CAN1_RX. I see AF9 (CAN1/CAN2, TIM12..14). and need to use GPIOC_AFRH(LSB) GPIO...