Datasheet

DocID023353 Rev 7 39/133
STM32F303xB STM32F303xC Pinouts and pin description
53
68 42 30 PA9 I/O FTf
I2C2_SCL,I2S3_MCK,
USART1_TX, TIM1_CH2,
TIM2_CH3, TIM15_BKIN,
TSC_G4_IO1, COMP5_OUT,
EVENTOUT
69 43 31 PA10 I/O FTf
I2C2_SDA, USART1_RX,
TIM1_CH3, TIM2_CH4,
TIM8_BKIN, TIM17_BKIN,
TSC_G4_IO2, COMP6_OUT,
EVENTOUT
70 44 32 PA11 I/O FT
USART1_CTS, USB_DM,
CAN_RX, TIM1_CH1N,
TIM1_CH4, TIM1_BKIN2,
TIM4_CH1, COMP1_OUT,
EVENTOUT
71 45 33 PA12 I/O FT
USART1_RTS, USB_DP,
CAN_TX, TIM1_CH2N,
TIM1_ETR, TIM4_CH2,
TIM16_CH1, COMP2_OUT,
EVENTOUT
72 46 34 PA13 I/O FT
USART3_CTS, TIM4_CH3,
TIM16_CH1N, TSC_G4_IO3,
IR_OUT, SWDIO-JTMS,
EVENTOUT
73 PF6 I/O FTf
(1)
I2C2_SCL, USART3_RTS,
TIM4_CH4, EVENTOUT
74 47 35 VSS_3 S Ground
75 48 36 VDD_3 S Digital power supply
76 49 37 PA14 I/O FTf
I2C1_SDA, USART2_TX,
TIM8_CH2, TIM1_BKIN,
TSC_G4_IO4, SWCLK-JTCK,
EVENTOUT
77 50 38 PA15 I/O FTf
I2C1_SCL, SPI1_NSS,
SPI3_NSS, I2S3_WS, JTDI,
USART2_RX, TIM1_BKIN,
TIM2_CH1_ETR, TIM8_CH1,
EVENTOUT
78 51 PC10 I/O FT
(1)
SPI3_SCK, I2S3_CK,
USART3_TX, UART4_TX,
TIM8_CH1N, EVENTOUT
Table 11. STM32F303xB/STM32F303xC pin definitions (continued)
Pin number
Pin name
(function
after
reset)
Pin type
I/O structure
Notes
Pin functions
LQFP100
LQFP64 LQFP48
Alternate functions Additional functions