STM32F101X4 datasheet(22/73 Pages) STMICROELECTRONICS

Part #	STM32F101X4

Description	Low-density access line, ARM-based 32-bit MCU with 16 or 32 KB Flash, 5 timers, ADC and 4 communication interfaces

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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22 / 73 page

Pinouts and pin description

STM32F101x4, STM32F101x6

22/74

Doc ID 15058 Rev 3

Table 4.

Low-density STM32F101xx pin definitions

Pins

Pin name

Main

function(3)

(after reset)

Alternate functions(3)(4)

Default

Remap

11

-

VBAT

SVBAT

2

-

PC13-TAMPER-RTC(5)

I/O

PC13(6)

TAMPER-RTC

3

-

PC14-OSC32_IN(5)

I/O

PC14(6)

OSC32_IN

4

-

PC15-OSC32_OUT(5)

I/O

PC15(6)

OSC32_OUT

5

2

OSC_IN

I

OSC_IN

6

3

OSC_OUT

O

OSC_OUT

7

4

NRST

I/O

NRST

-

8

-

PC0

I/O

PC0

ADC_IN10

-

9

-

PC1

I/O

PC1

ADC_IN11

-

10

-

PC2

I/O

PC2

ADC_IN12

-

11

-

PC3

I/O

PC3

ADC_IN13

812

5

VSSA

SVSSA

913

6

VDDA

SVDDA

10

14

7

PA0-WKUP

I/O

PA0

WKUP/USART2_CTS/

ADC_IN0/

TIM2_CH1_ETR(7)

11

15

8

PA1

I/O

PA1

USART2_RTS/

ADC_IN1/TIM2_CH2(7)

12

16

9

PA2

I/O

PA2

USART2_TX/

ADC_IN2/TIM2_CH3(7)

13

17

10

PA3

I/O

PA3

USART2_RX/

ADC_IN3/TIM2_CH4(7)

-18

-

VSS_4

SVSS_4

-19

-

VDD_4

SVDD_4

14

20

11

PA4

I/O

PA4

SPI_NSS(7)/ADC_IN4

USART2_CK

15

21

12

PA5

I/O

PA5

SPI_SCK(7)/ADC_IN5

16

22

13

PA6

I/O

PA6

SPI_MISO(7)/ADC_IN6/

TIM3_CH1(7)

17

23

14

PA7

I/O

PA7

SPI_MOSI(7)/ADC_IN7/

TIM3_CH2(7)

-

24

PC4

I/O

PC4

ADC_IN14

-

25

PC5

I/O

PC5

ADC_IN15

18

26

15

PB0

I/O

PB0

ADC_IN8/TIM3_CH3(7)

19

27

16

PB1

I/O

PB1

ADC_IN9/TIM3_CH4(7)

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STM32F101X4 Datasheet(PDF) 22 Page - STMicroelectronics

STM32F101X4 Datasheet(HTML) 22 Page - STMicroelectronics

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