STM32H7R/S high-performance MCU: security, large storage and excellent graphics enable more application innovations

Latest update time：2024-04-10

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Do you want your embedded products to support high-performance computing, have multiple communication interfaces, and run edge AI algorithms? Do you want your system to have leading screen display technology that can achieve smooth human-computer interaction, manage various node-side sensors, and support Wi-Fi protocols?

The new member of the STM32H7 series, STM32H7R/S, breaks traditional rules and has high performance, flexible resources and scalability, security, bootflash flash memory, and excellent graphics display capabilities, bringing more innovation opportunities to developers.

The high-performance STM32H7 series includes three sub-series, dual-core, single-core and cost-effective sub-series. The new product STM32H7R/S is a cost-effective series. It is an economical MCU with built-in 128 KB iROT flash memory. It not only inherits high-performance features, but its advanced security functions are suitable for industrial gateways, telecommunications equipment, high-performance motor control, home automation, and home appliances. , smart consumer electronics, AI and user interface feature-rich applications.

STM32H7R/S key capabilities

The STM32H7R/S sub-series is a secure and scalable bootflash microcontroller. It is divided into two sub-product lines: the general MCU series STM32H7R3/S3 and the graphics MCU series STM32H7R7/S7 . It can run MPU-level applications on real-time MCUs. , has a higher degree of design freedom, and the supporting MCU ecosystem accelerates application development.

Xeon performance : STM32H7R/S is a 600MHz bootflash MCU with built-in high-performance Cortex-M7 core, capable of real-time code execution from internal or external memory, equipped with high-speed serial and parallel memory interfaces, data transfer rates up to 200MHz, and large-capacity internal SRAM memory.

Powerful storage capabilities : It integrates large embedded RAM storage, as well as more internal and external memories, has a high-speed external storage interface, realizes real-time execution of programs (XiP), and can flexibly match different future applications; the xSPI memory interface can enable high-speed, real-time Execute code in external storage, and support instant decryption/encryption to protect the security of code and data in internal and external storage.

High scalability : Optimize design and reduce costs. Users can freely select the external memory capacity, from the cost-effective 68-pin package to the 225-pin package, with ten packages available.

Security guarantee : STM32H7R/S complies with future security regulations. Target security certifications include SESIP Level 3 and PSA Level 3 certification, with real-time encryption and decryption of data and secure boot. Leading information security capabilities include: debug authentication capabilities, secure application and chip lifecycle, secure key storage, immutable root of trust (ST-iRoT), etc.

First-class graphics platform : STM32H7R/S has built-in powerful 2D and 2.5D hardware graphics accelerators, intelligent DMA architecture memory/GPU-NeoChrom GPU can easily achieve 60 frames/second under low MCU load, and supports up to WSVGA (1024*600) HD UI graphical user interface to perform more real-time tasks. NeoChrom GPU, JPEG Codec and LTDC can run MPU-level animation effects.

High integration and rich communication interfaces : Integrated power management system, supports USB PD protocol, has two type-c connectors, dedicated DMA and USB OTG (PHY), I3C communication peripherals enable dedicated DMA to achieve lower Cost and zero CPU cycles. Equipped with 200 MHz hexadecimal SPI interface, with PHY layer and DTR mode, fewer pins and higher performance.

Excellent graphical features

STM32H7R/S continues the high-performance GUI features of STM32H7 and achieves more excellent graphics effects through key hardware performance.

Chrom-ART can release the CPU in graphics tasks, has lower power consumption, can achieve smoother and richer graphics effects, and can save up to 80% of CPU resources in sliding and transparency effects.

Specific features include:

simple graphic drawing
Efficient 2D image copy technology
In terms of image mixing, it supports efficient transparency effects and bitmap/font anti-aliasing effects.
Efficient pixel format conversion

NeoChrom hardware accelerator is a new generation of STM32 2.5D acceleration engine. It is an upgraded version of Chrom-ART. It achieves more animation effects and performance optimization on the original performance, freeing the CPU from graphics tasks, low power consumption, Low storage, higher GUI performance, smooth and rich graphics effects, full support for the X-CUBE-TOUCHGFX ecosystem.

Specific features include:

simple drawing
2D copy
alpha blending
Color format conversion
Advanced drawing
zoom, rotate
Perspective correct texture mapping
Image format compression

The MJPEG hardware accelerator can minimize the CPU load and can play high-quality MJPEG video streams. For example, when playing a 60FPS video stream on the STM32H750B Disco kit, the MCU load is only 19%.

Specific features include:

MJPEG compression and decompression
Comprehensive and simple management of MJPEG headers

Powerful hardware support, supplemented by the free TouchGFX GUI tool, STM32H7R/S can perform more other application tasks with extremely low CPU load, and can realize various embedded graphics display applications from simple to complex.

Complete SoC-level security

STM32Trust is a security framework for protecting embedded systems, providing 12 security functions to match customer use cases and security standards: secure boot, application lifecycle, auditing/logging, anomaly detection and handling, software IP protection, identity identification /Authentication/certification, secure firmware installation/update, chip life cycle, secure isolation, secure storage, encryption engine, secure production.

STM32H7R/S is based on STM32Trust and provides powerful and robust hardware functions and complete SoC-level software security services:

Password encryption strengthens hardware defense capabilities
Memory security protection to prevent illegal access
Platform certification to protect life cycle security
Code isolation to protect code runtime security

Rich intelligent application scenarios

The powerful and flexible performance architecture, rich GUI features and complete security services enable STM32H7R/S to be widely used in various intelligent applications in smart cities, smart homes, robotic equipment, medical equipment, payment terminals, and industry. Scenes.

For example, in the field of smart buildings/smart homes , the built-in GPU of STM32H7R/S achieves excellent user experience and greatly reduces CPU load, combined with flexible external storage (frame buffer + variable/data), through Ethernet (POE), I3C, Interfaces such as SAI and SDIO enable better local and remote communications, and embedded information security functions protect user data and secure OTA.

In the case of printers and cameras , STM32H7R/S can implement USB + GUI + housekeeping functions, 1x USB type-C FS/HS provides master/slave link; 1x USB type-C (UCPD) provides PD (energy delivery); general purpose The series (STM32H7R3/S3) supports small screen display; 10/100Mbit/s Ethernet + I3C provides connectivity and sensor + housekeeping.

In motion control in the industrial field , STM32H7R/S integrates CORDIC math acceleration engine, 2.5D GPU accelerator, supports RGB/parallel screen; it also integrates 4*32bit Timer, 1*MC Timer, 2*12 bit ADC speed up to 5 MSPS, and 2 FD-CAN.

In the case of AFCI arc detection , ST implemented a turnkey solution based on STM32H7R/S. It includes firmware engineering, GUI tool chain (supporting rapid AI-based circuit detection development), Nano Edge Studio, STM32 Cube.AI and other AI-based development tool chains to help customers quickly develop arc detection products.

Dedicated ecosystem speeds up app development

Like other STM32 products, ST provides a complete ecosystem of hardware and software development tools for the STM32H7R/S series. The STM32Cube framework fully supports STM32H7R/S.

In terms of software tools, ST provides a one-stop development platform from debugging, development, configuration, and monitoring:

STM32 Finder, STM32 Evaluation Tools : functional evaluation, prototyping and chip selection

STM32CubeMX : Hardware and software configuration

STM32CubeMCU Packages, STM32CubeExpansion, STM32CubeIDE : application development and debugging

STM32CubeProgrammer : code and hardware selection and download

STM32Cube Monitor : Real-time monitoring of applications

In terms of hardware tools, ST provides hardware development platforms such as the NUCLEO-H7S3L8 evaluation board and STM32H7S8-DK exploration board based on the STM32H7R/S for prototyping and multi-functional development. STM32CubeMX helps developers quickly start project development on the STM32H7S Nucleo board, from concept to prototype in an instant.

Interaction and prizes are coming~

Please chat about the development project based on the high-performance STM32H7 in the message area. We will select 3 lucky fans who leave messages with one click and leave a message, and each of them will give away a NUCLEO-H7S3L8.

Event time : from now on to April 24th;

Kind tips :

1. This event is limited to electronic engineers and college students in related majors;

2. Any cheating behavior will result in disqualification from participating in the event;

3. The list of winners will be announced at the top of the message.

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