STM32F401RD datasheet(3/135 Pages) STMICROELECTRONICS

Part #	STM32F401RD

Description	Up to 12 communication interfaces

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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3 / 135 page

DocID025644 Rev 3

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STM32F401xD STM32F401xE

Contents

4

3.19.3

Independent watchdog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3.19.4

Window watchdog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3.19.5

SysTick timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

3.20

Inter-integrated circuit interface (I2C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

3.21

Universal synchronous/asynchronous receiver transmitters (USART) . . 29

3.22

Serial peripheral interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

3.23

Inter-integrated sound (I2S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

3.24

Audio PLL (PLLI2S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

3.25

Secure digital input/output interface (SDIO) . . . . . . . . . . . . . . . . . . . . . . . 31

3.26

Universal serial bus on-the-go full-speed (OTG_FS) . . . . . . . . . . . . . . . . 31

3.27

General-purpose input/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . . 31

3.28

Analog-to-digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

3.29

Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

3.30

Serial wire JTAG debug port (SWJ-DP) . . . . . . . . . . . . . . . . . . . . . . . . . . 32

3.31

Embedded Trace Macrocell™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

4

Pinouts and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

5

Memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

6

Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

6.1

Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

6.1.1

Minimum and maximum values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

6.1.2

Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

6.1.3

Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

6.1.4

Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

6.1.5

Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

6.1.6

Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

6.1.7

Current consumption measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

6.2

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

6.3

Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

6.3.1

General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

6.3.2

VCAP1/VCAP2 external capacitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

6.3.3

Operating conditions at power-up/power-down (regulator ON) . . . . . . . 63

6.3.4

Operating conditions at power-up / power-down (regulator OFF) . . . . . 63

6.3.5

Embedded reset and power control block characteristics . . . . . . . . . . . 64

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