STM32F042F4 datasheet(33/117 Pages) STMICROELECTRONICS

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STM32F042x4 STM32F042x6

Pinouts and pin descriptions

PA4

I/O

TTa

SPI1_NSS, I2S1_WS,

TIM14_CH1,

TSC_G2_IO1,

USART2_CK

USB_NOE

ADC_IN4

PA5

I/O

TTa

SPI1_SCK, I2S1_CK,

CEC,

TIM2_CH1_ETR,

TSC_G2_IO2

ADC_IN5

PA6

I/O

TTa

SPI1_MISO, I2S1_MCK,

TIM3_CH1, TIM1_BKIN,

TIM16_CH1,

TSC_G2_IO3,

EVENTOUT

ADC_IN6

PA7

I/O

TTa

SPI1_MOSI, I2S1_SD,

TIM3_CH2, TIM14_CH1,

TIM1_CH1N,

TIM17_CH1,

TSC_G2_IO4,

EVENTOUT

ADC_IN7

PB0

I/O

TTa

TIM3_CH3,

TIM1_CH2N,

TSC_G3_IO2,

EVENTOUT

ADC_IN8

PB1

I/O

TTa

TIM3_CH4, TIM14_CH1,

TIM1_CH3N,

TSC_G3_IO3

ADC_IN9

PB2

I/O

TSC_G3_IO4

PB10

I/O

FTf

SPI2_SCK, CEC,

TSC_SYNC, TIM2_CH3,

I2C1_SCL

PB11

I/O

FTf

TIM2_CH4,

EVENTOUT,

I2C1_SDA

VSS

Ground

VDD

Digital power supply

PB12

I/O

TIM1_BKIN, SPI2_NSS,

EVENTOUT

Table 13. STM32F042x pin definitions (continued)

Pin numbers

Pin name

(function upon

reset)

type

Pin functions

Alternate function

Additional

functions

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