STM32F031K4Y7 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

STM32F031K4Y7

ARM®-based 32-bit MCU with up to 32 Kbyte Flash, 9 timers, ADC and communication interfaces, 2.0 - 3.6 V

STMicroelectronics 

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Pin name

PB0

PB1

PB2

PB3

PB4

PB5

PB6

PB7

PB8

PB9

PB10

PB11

PB12

PB13

PB14

PB15

Table 13. Alternate functions selected through GPIOB_AFR registers for port B

AF0

AF1

AF2

EVENTOUT

TIM3_CH3

TIM1_CH2N

TIM14_CH1

-

SPI1_SCK, I2S1_CK

SPI1_MISO, I2S1_MCK

SPI1_MOSI, I2S1_SD

TIM3_CH4

-

EVENTOUT

TIM3_CH1

TIM3_CH2

TIM1_CH3N

-

TIM2_CH2

EVENTOUT

TIM16_BKIN

USART1_TX

USART1_RX

-

IR_OUT

I2C1_SCL

I2C1_SDA

I2C1_SCL

I2C1_SDA

TIM16_CH1N

TIM17_CH1N

TIM16_CH1

TIM17_CH1

-

EVENTOUT

SPI1_NSS

SPI1_SCK

SPI1_MISO

I2C1_SCL

I2C1_SDA

EVENTOUT

-

-

TIM2_CH3

TIM2_CH4

TIM1_BKIN

TIM1_CH1N

TIM1_CH2N

SPI1_MOSI

-

TIM1_CH3N

AF3

-

-

-

-

-

I2C1_SMBA

-

-

-

EVENTOUT

-

-

-

-

-

-

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