UART1_CK/TIM2_CH1/BEEP/(HS)PD41UART1_TX/AIN5/(HS) PD52UART1_RX/AIN6/(HS) PD63NRST4OSCIN/PA15OSCOUT/PA26VSS7VCAP8VDD9[SPI_NSS] TIM2_CH3/(HS) PA310PB5 (T)/I 2 C_SDA [TIM1_BKIN]11PB4 (T)/I 2 C_SCL [ADC_ETR]12PC3 (HS)/TIM1_CH3 [TLI] [TIM1_CH1N]13PC4 (HS) /TIM1_CH4/CLK_CCO/AIN2/[TIM1_CH2N]14PC5 (HS)/SPI_SCK [TIM2_CH1]15PC6 (HS)/SPI_MOSI [TIM1_CH1]16PC7 (HS) /SPI_MISO [TIM1_CH2]17PD1(HS)/SWIM18PD2 (HS)/AIN3/[TIM2_CH3]19PD3 (HS)/AIN4/TIM2_CH2/ADC_ETR20