Datasheet

DocID023353 Rev 7 37/133
STM32F303xB STM32F303xC Pinouts and pin description
53
32 23 17 PA7 I/O TTa
SPI1_MOSI, TIM3_CH2,
TIM17_CH1, TIM1_CH1N,
TIM8_CH1N, TSC_G2_IO4,
COMP2_OUT, EVENTOUT
ADC2_IN4, COMP2_INP,
OPAMP2_VINP,
OPAMP1_VINP
33 24 PC4 I/O TTa
(1)
USART1_TX, EVENTOUT ADC2_IN5
34 25 PC5 I/O TTa
(1)
USART1_RX, TSC_G3_IO1,
EVENTOUT
ADC2_IN11, OPAMP2_VINM,
OPAMP1_VINM
35 26 18 PB0 I/O TTa
TIM3_CH3, TIM1_CH2N,
TIM8_CH2N, TSC_G3_IO2,
EVENTOUT
ADC3_IN12, COMP4_INP,
OPAMP3_VINP,
OPAMP2_VINP
36 27 19 PB1 I/O TTa
TIM3_CH4, TIM1_CH3N,
TIM8_CH3N, COMP4_OUT,
TSC_G3_IO3, EVENTOUT
ADC3_IN1, OPAMP3_VOUT
37 28 20 PB2 I/O TTa TSC_G3_IO4, EVENTOUT
ADC2_IN12, COMP4_INM,
OPAMP3_VINM
38 PE7 I/O TTa
(1)
TIM1_ETR, EVENTOUT ADC3_IN13, COMP4_INP
39 PE8 I/O TTa
(1)
TIM1_CH1N, EVENTOUT COMP4_INM, ADC34_IN6
40 PE9 I/O TTa
(1)
TIM1_CH1, EVENTOUT ADC3_IN2
41 PE10 I/O TTa
(1)
TIM1_CH2N, EVENTOUT ADC3_IN14
42 PE11 I/O TTa
(1)
TIM1_CH2, EVENTOUT ADC3_IN15
43 PE12 I/O TTa
(1)
TIM1_CH3N, EVENTOUT ADC3_IN16
44 PE13 I/O TTa
(1)
TIM1_CH3, EVENTOUT ADC3_IN3
45 PE14 I/O TTa
(1)
TIM1_CH4, TIM1_BKIN2,
EVENTOUT
ADC4_IN1
46 PE15 I/O TTa
(1)
USART3_RX, TIM1_BKIN,
EVENTOUT
ADC4_IN2
47 29 21 PB10 I/O TTa
USART3_TX, TIM2_CH3,
TSC_SYNC, EVENTOUT
COMP5_INM,
OPAMP4_VINM,
OPAMP3_VINM
48 30 22 PB11 I/O TTa
USART3_RX, TIM2_CH4,
TSC_G6_IO1, EVENTOUT
COMP6_INP, OPAMP4_VINP
49 31 23 VSS_2 S Digital ground
50 32 24 VDD_2 S Digital power supply
51 33 25 PB12 I/O TTa
SPI2_NSS, I2S2_WS,
I2C2_SMBA, USART3_CK,
TIM1_BKIN, TSC_G6_IO2,
EVENTOUT
ADC4_IN3, COMP3_INM,
OPAMP4_VOUT
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