STM32H7B3II datasheet(229/238 Pages) STMICROELECTRONICS

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3.23

Voltage reference buffer (VREFBUF) ............................................. 23

3.24

Ultra-low-power comparators (COMP) ............................................ 23

3.25

Operational amplifiers (OPAMP) ................................................. 23

3.26

Digital filter for sigma-delta modulators (DFSDM)................................... 23

3.27

Digital camera interface (DCMI) ................................................. 25

3.28

Parallel synchronous slave interface (PSSI) ....................................... 25

3.29

LCD-TFT display controller (LTDC)............................................... 25

3.30

JPEG codec (JPEG) ........................................................... 25

3.31

True random number generator (RNG) ........................................... 26

3.32

Cryptographic acceleration (CRYP and HASH)..................................... 26

3.33

On-the-fly decryption engine (OTFDEC) .......................................... 26

3.34

Timers and watchdogs ......................................................... 27

3.34.1

Advanced-control timers (TIM1, TIM8) ....................................... 27

3.34.2

General-purpose timers (TIMx) ............................................. 28

3.34.3

Basic timers (TIM6 and TIM7) .............................................. 28

3.34.4

Low-power timers (LPTIM1, LPTIM2, LPTIM3) ................................. 28

3.34.5

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

3.34.6

Window watchdog....................................................... 29

3.34.7

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

3.35

Real-time clock (RTC) ......................................................... 29

3.36

Tamper and backup registers (TAMP) ............................................ 29

3.37

Inter-integrated circuit interface (I2C) ............................................. 30

3.38

Universal synchronous/asynchronous receiver transmitter (USART) ................... 30

3.39

Low-power universal asynchronous receiver transmitter (LPUART) ................... 31

3.40

Serial peripheral interfaces (SPI)/integrated interchip sound interfaces (I2S) ............ 31

3.41

Serial audio interfaces (SAI) .................................................... 32

3.42

SPDIFRX receiver interface (SPDIFRX) .......................................... 32

3.43

Single wire protocol master interface (SWPMI)..................................... 32

3.44

Management data input/output (MDIO) slaves ..................................... 32

3.45

SD/SDIO/MMC card host interfaces (SDMMC) ..................................... 33

3.46

Controller area network (FDCAN1, FDCAN2) ...................................... 33

3.47

Universal serial bus on-the-go high-speed (OTG_HS) ............................... 33

3.48

High-definition multimedia interface (HDMI) - consumer electronics control (CEC) ....... 34

3.49

Debug infrastructure ........................................................... 34

Memory mapping .................................................................35

Pin descriptions ..................................................................36

STM32H7B3xI

Contents

DS13139 - Rev 8

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