STM32F427XX datasheet(4/239 Pages) STMICROELECTRONICS

Part #	STM32F427XX

Description	ARM Cortex-M4 32b MCUFPU, 225DMIPS, up to 2MB Flash/2564KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 20 comm. interfaces, camera & LCD-TFT

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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4 / 239 page

Contents

STM32F427xx STM32F429xx

4/238

DocID024030 Rev 9

3.22

Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

3.22.1

Advanced-control timers (TIM1, TIM8) . . . . . . . . . . . . . . . . . . . . . . . . . 35

3.22.2

General-purpose timers (TIMx) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

3.22.3

Basic timers TIM6 and TIM7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

3.22.4

Independent watchdog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

3.22.5

Window watchdog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

3.22.6

SysTick timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

3.23

Inter-integrated circuit interface ( I2C) . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

3.24

Universal synchronous/asynchronous receiver transmitters (USART) . . 36

3.25

Serial peripheral interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

3.26

Inter-integrated sound (I2S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

3.27

Serial Audio interface (SAI1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

3.28

Audio PLL (PLLI2S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

3.29

Audio and LCD PLL(PLLSAI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

3.30

Secure digital input/output interface (SDIO) . . . . . . . . . . . . . . . . . . . . . . . 39

3.31

Ethernet MAC interface with dedicated DMA and IEEE 1588 support . . . 39

3.32

Controller area network (bxCAN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

3.33

Universal serial bus on-the-go full-speed (OTG_FS) . . . . . . . . . . . . . . . . 40

3.34

Universal serial bus on-the-go high-speed (OTG_HS) . . . . . . . . . . . . . . . 40

3.35

Digital camera interface (DCMI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

3.36

Random number generator (RNG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

3.37

General-purpose input/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . . 41

3.38

Analog-to-digital converters (ADCs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

3.39

Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

3.40

Digital-to-analog converter (DAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

3.41

Serial wire JTAG debug port (SWJ-DP) . . . . . . . . . . . . . . . . . . . . . . . . . . 42

3.42

Embedded Trace Macrocell™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

4

Pinouts and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

5

Memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

6

Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

6.1

Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

6.1.1

Minimum and maximum values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

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