Datasheet

Pinouts and pin description STM32F303xB STM32F303xC
38/133 DocID023353 Rev 7
52 34 26 PB13 I/O TTa
SPI2_SCK, I2S2_CK,
USART3_CTS, TIM1_CH1N,
TSC_G6_IO3, EVENTOUT
ADC3_IN5, COMP5_INP,
OPAMP4_VINP,
OPAMP3_VINP
53 35 27 PB14 I/O TTa
SPI2_MISO, I2S2ext_SD,
USART3_RTS, TIM1_CH2N,
TIM15_CH1, TSC_G6_IO4,
EVENTOUT
COMP3_INP, ADC4_IN4,
OPAMP2_VINP
54 36 28 PB15 I/O TTa
SPI2_MOSI, I2S2_SD,
TIM1_CH3N, RTC_REFIN,
TIM15_CH1N, TIM15_CH2,
EVENTOUT
ADC4_IN5, COMP6_INM
55 PD8 I/O TTa
(1)
USART3_TX, EVENTOUT ADC4_IN12, OPAMP4_VINM
56 PD9 I/O TTa
(1)
USART3_RX, EVENTOUT ADC4_IN13
57 PD10 I/O TTa
(1)
USART3_CK, EVENTOUT ADC34_IN7, COMP6_INM
58 PD11 I/O TTa
(1)
USART3_CTS, EVENTOUT
ADC34_IN8, COMP6_INP,
OPAMP4_VINP
59 PD12 I/O TTa
(1)
USART3_RTS, TIM4_CH1,
TSC_G8_IO1, EVENTOUT
ADC34_IN9, COMP5_INP
60 PD13 I/O TTa
(1)
TIM4_CH2, TSC_G8_IO2,
EVENTOUT
ADC34_IN10, COMP5_INM
61 PD14 I/O TTa
(1)
TIM4_CH3, TSC_G8_IO3,
EVENTOUT
COMP3_INP, ADC34_IN11,
OPAMP2_VINP
62 PD15 I/O TTa
(1)
SPI2_NSS, TIM4_CH4,
TSC_G8_IO4, EVENTOUT
COMP3_INM
63 37 PC6 I/O FT
(1)
I2S2_MCK, COMP6_OUT,
TIM8_CH1, TIM3_CH1,
EVENTOUT
64 38 PC7 I/O FT
(1)
I2S3_MCK, TIM8_CH2,
TIM3_CH2, COMP5_OUT,
EVENTOUT
65 39 PC8 I/O FT
(1)
TIM8_CH3, TIM3_CH3,
COMP3_OUT, EVENTOUT
66 40 PC9 I/O FT
(1)
TIM8_CH4, TIM8_BKIN2,
TIM3_CH4, I2S_CKIN,
EVENTOUT
67 41 29 PA8 I/O FT
I2C2_SMBA,I2S2_MCK,
USART1_CK, TIM1_CH1,
TIM4_ETR, MCO,
COMP3_OUT, 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