STM32F051X4(2012) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32F051X4
(Rev.:2012)

Low- and medium-density advanced ARM™-based 32-bit MCU with 16 to 64 Kbytes Flash, timers, ADC, DAC and comm. interfaces

STMicroelectronics 

STM32F051x

Table 13. Pin definitions

Pin number

Pin name

(function after

reset)

Pinouts and pin description

Pin functions

Notes

Alternate functions

Additional functions

11 -

22 -

33 -

44 -

552

663

774

8- -

9- -

10 - -

11 - -

12 8 -

13 9 5

14 10 6

15 11 7

16 12 8

17 13 9

18 - -

19 - -

-

VBAT

S

Backup power supply

-

PC13

I/O TC (1)(2)

RTC_TAMP1,

RTC_TS, RTC_OUT,

WKUP2

-

PC14-OSC32_IN

I/O TC

(1)(2)

(PC14)

OSC32_IN

PC15-

-

OSC32_OUT I/O TC (1)(2)

(PC15)

OSC32_OUT

PF0-OSC_IN

2

I/O FT

(PF0)

OSC_IN

PF1-OSC_OUT

3

I/O FT

(PF1)

OSC_OUT

4

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

-

PC2

I/O TTa

EVENTOUT

ADC_IN12

-

PC3

I/O TTa

EVENTOUT

ADC_IN13

0

VSSA

S

Analog ground

5

VDDA

S

Analog power supply

6

PA0

I/O TTa

USART2_CTS,

TIM2_CH1_ETR,

COMP1_OUT,

TSC_G1_IO1

ADC_IN0,

COMP1_INM6,

RTC_TAMP2,

WKUP1

7

PA1

I/O TTa

USART2_RTS, TIM2_CH2,

TSC_G1_IO2, EVENTOUT

ADC_IN1,

COMP1_INP

8

PA2

I/O TTa

USART2_TX, TIM2_CH3,

TIM15_CH1,

COMP2_OUT,

TSC_G1_IO3

ADC_IN2,

COMP2_INM6

9

PA3

I/O TTa

USART2_RX, TIM2_CH4,

TIM15_CH2, TSC_G1_IO4

ADC_IN3,

COMP2_INP

-

PF4

I/O FT

EVENTOUT

-

PF5

I/O FT

EVENTOUT

Doc ID 022265 Rev 3

29/105

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