PACKAGES LQFP48,QFN48 0 VSS 1 VBAT 2 PC13 TAMPER_RTC 3 PC14 OSC32_IN 4 PC15 OSC32_OUT 5 PD0 OSC_IN 6 PD1 OSC_OUT 7 NRST 8 VSSA 9 VDDA 10 PA0 CPU_WKUP USART2_CTS ADC_IN0 TIM2_CH1 TIM2_ETR TIM5_CH1 / TIM2_CH1_2 TIM2_ETR_2 11 PA1 USART2_RTS ADC_IN1 TIM2_CH2 TIM5_CH2 / TIM2_CH2_2 12 PA2 USART2_TX ADC_IN2 TIM2_CH3 OPA2_OUT0 TIM5_CH3 / TIM2_CH3_1 13 PA3 USART2_RX ADC_IN3 TIM2_CH4 OPA1_OUT0 TIM5_CH4 / TIM2_CH4_1 14 PA4 SPI1_NSS USART2_CK ADC_IN4 OPA2_OUT1 15 PA5 SPI1_SCK ADC_IN5 OPA2_CH1N / USART4_TX_1 16 PA6 SPI1_MISO ADC_IN6 TIM3_CH1 OPA1_CH1N / TIM1_BKIN_1 USART4_CK_1 17 PA7 SPI1_MOSI ADC_IN7 TIM3_CH2 OPA2_CH1P / TIM1_CH1N_1 USART4_CTS_1 18 PB0 ADC_IN8 TIM3_CH3 OPA1_CH1P USART4_TX / TIM1_CH2N_1 TIM3_CH3_2 19 PB1 ADC_IN9 TIM3_CH4 OPA1_OUT1 USART4_RX / TIM1_CH3N_1 TIM3_CH4_2 20 PB2 CPU_BOOT1 USART4_CK 21 PB10 I2C2_SCL USART3_TX OPA2_CH0N / TIM2_CH3_2 TIM2_CH3_3 22 PB11 I2C2_SDA USART3_RX OPA1_CH0N / TIM2_CH4_2 TIM2_CH4_3 23 VSS1 24 VDD_IO_1 25 PB12 SPI2_NSS I2C2_SMBA USART3_CK TIM1_BKIN 26 PB13 SPI2_SCK USART3_CTS USART3_CTS 27 PB14 SPI2_MISO TIM1_CH2N USART3_RTS OPA2_CH0P 28 PB15 SPI2_MOSI TIM1_CH3N OPA1_CH0P / USART1_TX_2 29 PA8 USART1_CK TIM1_CH1 CPU_MCO / USART1_CK_1 30 PA9 USART1_TX TIM1_CH2 / TIM1_CH1_1 USART1_CK_1 USART1_RX_2 TIM1_CH1_1 31 PA10 USART1_RX TIM1_CH3 / TIM1_CH2_1 32 PA11 USART1_CTS USBD_M CAN1_RX TIM1_CH4 / USART1_CTS_1 TIM1_CH3_1 33 PA12 USART1_RTS USBD_P CAN1_TX TIM1_ETR / USART1_RTS_1 TIM1_CH4_1 34 PA13 CPU_SWDIO 35 VSS_2 36 VDD_2 37 PA14 CPU_SWCLK 38 PA15 / TIM2_CH1_1 TIM2_ETR_1 TIM2_CH1_3 TIM2_ETR_3 SPI1_NSS_1 USART4_RTS_1 39 PB3 USART4_CTS / TIM2_CH2_1 TIM2_CH2_3 SPI1_SCK_1 40 PB4 USART4_RTS / TIM3_CH1_2 SPI1_MISO_1 41 PB5 I2C1_SMBA / TIM3_CH2_2 SPI1_MOSI_1 USART4_RX_1 42 PB6 I2C1_SCL TIM4_CH1 USBHD_DM / USART1_TX_1 43 PB7 I2C1_SDA TIM4_CH2 USBHD_DP / USART1_RX_1 44 BOOT0 CPU_BOOT0 45 PB8 TIM4_CH3 / I2C1_SCL_1 CAN1_RX_2 46 PB9 TIM4_CH4 / I2C1_SDA_1 CAN1_TX_2 47 VSS_3 48 VDD_IO_3