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Hardware and layout UM1658

20/39 DocID025097 Rev 1

PA6

SPI1_MISO,

TIM3_CH1,

TIM1_BKIN,

TIM16_CH1,

EVENTOUT,

ADC_IN6

22

23

PA7

SPI1_MOSI,

TIM3_CH2,

TIM14_CH1,

TIM1_CH1N,

TIM17_CH1,

EVENTOUT,

ADC_IN7

23

24

PA8

USART1_CK,

TIM1_CH1,

EVENTOUT,

MCO

41

25

PA9

USART1_TX,

TIM1_CH2,

TIM15_BKIN,

I2C1_SCL

42

24

PA10

USART1_RX,

TIM1_CH3,

TIM17_BKIN,

I2C1_SDA

43

23

PA11

USART1_CTS,

TIM1_CH4,

EVENTOUT

44

22

PA12

USART1_RTS,

TIM1_ETR,

EVENTOUT

45

21

PA13

IR_OUT,

SWDIO

46

SWDIO

420

PA14

USART1_TX,

USART2_TX,

SWCLK

49

SWCLK

217

Table 5. MCU pin description versus board function (continued)

MCU pin Board function

Main

function

Alternate

functions

LQFP64

Push button

LED

SWD

OSC

Free I/O

Power supply

CN3

P1

P2