STM32H7 datasheet(17/357 Pages) STMICROELECTRONICS

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DS12110 Rev 10

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STM32H742xI/G STM32H743xI/G

Description

STM32H742xI/G and STM32H743xI/G devices are based on the high-performance Arm®

Cortex®-M7 32-bit RISC core operating at up to 480 MHz. The Cortex® -M7 core features a

floating point unit (FPU) which supports Arm® double-precision (IEEE 754 compliant) and

single-precision data-processing instructions and data types. STM32H742xI/G and

STM32H743xI/G devices support a full set of DSP instructions and a memory protection unit

(MPU) to enhance application security.

STM32H742xI/G and STM32H743xI/G devices incorporate high-speed embedded

memories with a dual-bank flash memory of up to 2 Mbytes, up to 1 Mbyte of RAM

(including 192 Kbytes of TCM RAM, up to 864 Kbytes of user SRAM and 4 Kbytes of

backup SRAM), as well as an extensive range of enhanced I/Os and peripherals connected

to APB buses, AHB buses, 2x32-bit multi-AHB bus matrix and a multi layer AXI interconnect

supporting internal and external memory access.

All the devices offer three ADCs, two DACs, two ultra-low power comparators, a low-power

RTC, a high-resolution timer, 12 general-purpose 16-bit timers, two PWM timers for motor

control, five low-power timers, a true random number generator (RNG). The devices support

four digital filters for external sigma-delta modulators (DFSDM). They also feature standard

and advanced communication interfaces.

•

Standard peripherals

–Four I2Cs

–

Four USARTs, four UARTs and one LPUART

–

Six SPIs, three I2Ss in Half-duplex mode. To achieve audio class accuracy, the

I2S peripherals can be clocked by a dedicated internal audio PLL or by an external

clock to allow synchronization.

–

Four SAI serial audio interfaces

–

One SPDIFRX interface

–

One SWPMI (Single Wire Protocol Master Interface)

–

Management Data Input/Output (MDIO) slaves

–

Two SDMMC interfaces

–

A USB OTG full-speed and a USB OTG high-speed interface with full-speed

capability (with the ULPI)

–

One FDCAN plus one TT-FDCAN interface

–

An Ethernet interface

–

Chrom-ART Accelerator

–

HDMI-CEC

•

Advanced peripherals including

–

A flexible memory control (FMC) interface

–

A Quad-SPI flash memory interface

–

A camera interface for CMOS sensors

–

An LCD-TFT display controller (only available on STM32H743xI/G)

–

A JPEG hardware compressor/decompressor (only available on STM32H743xI/G)

Refer to Table 2: STM32H742xI/G and STM32H743xI/G features and peripheral counts for

the list of peripherals available on each part number.

STM32H7 Datasheet(PDF) 17 Page - STMicroelectronics

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