Datasheet
STM32F401xD STM32F401xE Pinouts and pin description
DocID025644 Rev 3 48/135
Port D
PD0 - - - - - - - - - - - - - - -
EVENT
OUT
PD1 - - - - - - - - - - - - - - -
EVENT
OUT
PD2 - - TIM3_ETR - - - - - - - - -
SDIO_
CMD
--
EVENT
OUT
PD3 - - - - -
SPI2_SCK/
I2S2_CK
-
USART2_
CTS
-- - - - - - -
EVENT
OUT
PD4 - - - - - - -
USART2_
RTS
------
EVENT
OUT
PD5 - - - - - - -
USART2_
TX
-- -----
EVENT
OUT
PD6 - - - - -
SPI3_MOSI
/I2S3_SD
-
USART2_
RX
-- -----
EVENT
OUT
PD7 - - - - - - -
USART2_
CK
-- -----
EVENT
OUT
PD8 - - - - - - - - - - - - - - -
EVENT
OUT
PD9 - - - - - - - - - - - - - - -
EVENT
OUT
PD10 - - - - - - - - - - - - - - -
EVENT
OUT
PD11 - - - - - - - - - - - - - - -
EVENT
OUT
PD12 - - TIM4_CH1 - - - - - - - - - - - -
EVENT
OUT
PD13 - - TIM4_CH2 - - - - - - - - - - - -
EVENT
OUT
PD14 - - TIM4_CH3 - - - - - - - - - - - -
EVENT
OUT
PD15 - - TIM4_CH4 - - - - - - - - - - - -
EVENT
OUT
Table 9. Alternate function mapping (continued)
Port
AF00 AF01 AF02 AF03 AF04 AF05 AF06 AF07 AF08 AF09 AF10 AF11 AF12 AF13 AF14 AF15
SYS_AF TIM1/TIM2
TIM3/
TIM4/ TIM5
TIM9/
TIM10/
TIM11
I2C1/I2C2/
I2C3
SPI1/SPI2/
I2S2/SPI3/
I2S3/SPI4
SPI2/I2S2/
SPI3/ I2S3
SPI3/I2S3/
USART1/
USART2
USART6
I2C2/
I2C3
OTG1_FS SDIO
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