Datasheet
Pinouts and pin description STM32F401xB STM32F401xC
42/139 DS9716 Rev 11
- - - 82 B9 PD1 I/O FT - EVENTOUT -
- - 54 83 C8 PD2 I/O FT -
TIM3_ETR, SDIO_CMD,
EVENTOUT
-
- - - 84 B8 PD3 I/O FT -
SPI2_SCK/I2S2_CK,
USART2_CTS, EVENTOUT
-
- - - 85 B7 PD4 I/O FT - USART2_RTS, EVENTOUT -
- - - 86 A6 PD5 I/O FT - USART2_TX, EVENTOUT -
- - - 87 B6 PD6 I/O FT -
SPI3_MOSI/I2S3_SD,
USART2_RX, EVENTOUT
-
- - - 88 A5 PD7 I/O FT - USART2_CK, EVENTOUT -
39 A3 55 89 A8
PB3
(JTDO-SWO)
I/O FT -
JTDO-SWO, SPI1_SCK,
SPI3_SCK/I2S3_CK,
I2C2_SDA, TIM2_CH2,
EVENTOUT
-
40 A4 56 90 A7
PB4
(NJTRST)
I/O FT -
NJTRST, SPI1_MISO,
SPI3_MISO, I2S3ext_SD,
I2C3_SDA, TIM3_CH1,
EVENTOUT
-
41 B4 57 91 C5 PB5 I/O FT -
SPI1_MOSI,
SPI3_MOSI/I2S3_SD,
I2C1_SMBA, TIM3_CH2,
EVENTOUT
-
42 C4 58 92 B5 PB6 I/O FT -
I2C1_SCL, USART1_TX,
TIM4_CH1, EVENTOUT
-
43 D4 59 93 B4 PB7 I/O FT -
I2C1_SDA, USART1_RX,
TIM4_CH2, EVENTOUT
-
44 A5 60 94 A4 BOOT0 I B - - V
PP
45 B5 61 95 A3 PB8 I/O FT -
I2C1_SCL, TIM4_CH3,
TIM10_CH1, SDIO_D4,
EVENTOUT
-
46 C5 62 96 B3 PB9 I/O FT -
SPI2_NSS/I2S2_WS,
I2C1_SDA, TIM4_CH4,
TIM11_CH1, SDIO_D5,
EVENTOUT
-
- - - 97 C3 PE0 I/O FT - TIM4_ETR, EVENTOUT -
- - - 98 A2 PE1 I/O FT - EVENTOUT -
Table 8. STM32F401xB/STM32F401xC pin definitions (continued)
Pin Number
Pin name
(function
after reset)
(1)
Pin type
I/O structure
Notes
Alternate functions
Additional
functions
UQFN48
WLCSP49
LQFP64
LQFP100
UFBGA100
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