STM32F051X4 datasheet(32/122 Pages) STMICROELECTRONICS

32 / 122 page

Pinouts and pin descriptions

STM32F051x4 STM32F051x6 STM32F051x8

32/122

DocID022265 Rev 7

NRST

I/O RST

Device reset input / internal reset output

(active low)

PC0

I/O TTa

EVENTOUT

ADC_IN10

PC1

I/O TTa

EVENTOUT

ADC_IN11

10 F2

PC2

I/O TTa

EVENTOUT

ADC_IN12

11 G1

PC3

I/O TTa

EVENTOUT

ADC_IN13

12 F1

D6 16

VSSA

(3)

Analog ground

13 H1

VDDA

Analog power supply

14 G2 10 F6

PA0

I/O TTa

USART2_CTS,

TIM2_CH1_ETR,

COMP1_OUT,

TSC_G1_IO1

ADC_IN0,

COMP1_INM6,

RTC_TAMP2,

WKUP1

15 H2 11 D4

PA1

I/O TTa

USART2_RTS,

TIM2_CH2,

TSC_G1_IO2,

EVENTOUT

ADC_IN1,

COMP1_INP

16 F3 12 E4

PA2

I/O TTa

USART2_TX,

TIM2_CH3,

TIM15_CH1,

COMP2_OUT,

TSC_G1_IO3

ADC_IN2,

COMP2_INM6

17 G3 13 F5

PA3

I/O TTa

USART2_RX,

TIM2_CH4,

TIM15_CH2,

TSC_G1_IO4

ADC_IN3,

COMP2_INP

18 C2

PF4

I/O

EVENTOUT

19 D2

PF5

I/O

EVENTOUT

20 H3 14 C3 10 10

PA4

I/O TTa

SPI1_NSS,

I2S1_WS,

USART2_CK,

TIM14_CH1,

TSC_G2_IO1

ADC_IN4,

COMP1_INM4,

COMP2_INM4,

DAC_OUT1

21 F4 15 D3 11

PA5

I/O TTa

SPI1_SCK,

I2S1_CK, CEC,

TIM2_CH1_ETR,

TSC_G2_IO2

ADC_IN5,

COMP1_INM5,

COMP2_INM5

Table 13. Pin definitions (continued)

Pin number

Pin name

(function upon

reset)

Pin functions

Alternate functions

Additional

functions

STM32F051X4 Datasheet(PDF) 32 Page - STMicroelectronics

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