company blog about Recycle ST MCU Evaluation Board:SPC5 MCU,Stellar Automotive MCU,STM32 MCU,STM8 MCU

Recycle ST MCU Evaluation Board:SPC5 MCU,Stellar Automotive MCU,STM32 MCU,STM8 MCU

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I. SPC5 MCU Evaluation Board: The Secure and Reliable Choice for Automotive Critical Applications

The SPC5 series MCUs, based on Power Architecture® technology, are specifically designed for automotive mission-critical applications. Their core advantage lies in meeting the highest ASIL-D safety requirements, making them suitable for scenarios demanding stringent reliability and real-time performance, such as powertrain systems, electric power steering, and brake control. The evaluation board is built around automotive-grade development needs, providing comprehensive peripheral access and security verification capabilities.

Core Features: The SPC5 evaluation boards adopt a modular ‘main board + daughter card’ design, enabling full access to the CPU, all I/O signals, and various automotive-specific interfaces (Ethernet, FlexRay, CAN FD, LIN, SENT). Certain daughter cards can operate as standalone units, balancing flexibility with practicality. Onboard standalone SAR and sigma-delta ADCs, coupled with a General-Purpose Timer Module (GTM), enable efficient verification of real-time control loop performance for applications such as engine management and motor drive control. Concurrently, an integrated Hardware Security Module (HSM) supporting the EVITA Medium profile simulates in-vehicle cybersecurity protection and software over-the-air update functionality.

Within the development ecosystem, the evaluation board seamlessly integrates with the SPC5 Studio integrated development environment—a free Eclipse-based tool offering visual configuration wizards, clock tree and pin mapping configuration, code generation, and performance analysis. It supports MISRA 2012 compliance checks and, when paired with the SPC5 UDES TK JTAG adapter, enables precise debugging and calibration.

Representative models include the SPC56L-Discovery Kit and the SPC56ELADPT144S High-End Evaluation Board. The former is suited for entry-level automotive electronics development, while the latter provides comprehensive validation capabilities for complex powertrain applications.

II. Stellar Automotive MCU Evaluation Boards: Performance Benchmarks for Next-Generation In-Vehicle Integrated Systems

As ST's integrated MCU series for next-generation automotive architectures, Stellar leverages multi-core performance, hardware virtualisation, and efficient OTA updates as core strengths, targeting high-end scenarios such as ECU integration, electrification, and advanced driver assistance. Its evaluation boards prioritise high performance and scalability, providing robust support for prototyping complex in-vehicle applications.

In terms of hardware configuration, a typical evaluation board such as the SR5E1-EVBE7000P is designed around the Stellar E1 MCU in a QFP176 package, featuring a socketed structure for flexible chip replacement. On-board connectors for high-resolution timers, DACs, SAR-ADCs, and SD-ADCs facilitate straightforward testing of control loop applications including OBC (on-board chargers), DC-DC converters, and motor control. Standard communication interfaces including FDCAN, LIN, UART, I²C, and SPI are provided, complemented by GPIO pin arrays, user LEDs, and buttons to support multi-scenario functional verification. Select high-end models incorporate Phase-Change Memory (PCM), delivering significantly faster read/write speeds than traditional Flash without requiring erase operations. Multiple OTA modes (OTA-X1, OTA-X2) enable zero-downtime updates and fault rollback.

Performance-wise, the Stellar evaluation board incorporates a multi-core ARM Cortex-R52 CPU (up to 400MHz), integrating specialised hardware including the DFA data flow accelerator and DME data movement engine. It delivers computational power of 7-16 K DMIPS, supports secure on-chip networking and memory redundancy design, ensuring safety and stability during multi-task parallel processing. Development tools utilise the StellarStudio IDE, providing an end-to-end framework from design and build to deployment, tailored to the complex development and validation demands of automotive electronics.

III. STM32 MCU Evaluation Boards: Universal Development Tools for Comprehensive Scenario Coverage

As ST's most influential MCU product line, the STM32 series is based on ARM Cortex-M cores (from M0 to M7), covering scenarios from entry-level to high-performance. Its extensive range of evaluation boards and mature ecosystem make it the preferred development platform for industrial control, consumer electronics, IoT, and other fields. STM32 evaluation boards are categorised into four main series according to their positioning, precisely matching diverse development requirements.

1. Nucleo Series: Cost-Effective Entry-Level Choice

Positioned for beginners and rapid prototyping, representative models include NUCLEO-F401RE and NUCLEO-L476RG. Features an onboard ST-LINK debugger, is desolderable for standalone use, supports Arduino UNO R3 and ST Morpho expansion interfaces, and is compatible with the Mbed online development platform. Suitable for educational settings, basic functionality verification, and moderate-performance applications, offering cost control and ease of use.

2. Discovery Series: Feature-Integrated Exploration Kits

Focused on demonstrating functionality for specific application scenarios, these integrate specialised peripherals. Examples include the STM32F407G-DISC1 (with audio DAC), STM32F746G-DISCO (with LCD touchscreen), and B-L475E-IOT01A (IoT-oriented, featuring WiFi and multiple sensors). Suitable for development scenarios requiring complex peripheral support, such as multimedia processing and IoT terminals, enabling rapid validation of high-end features.

3. Eval Series: Professional Verification Platforms for High-End Performance

Providing comprehensive performance validation capabilities for high-performance MCUs like H7 and F7, exemplified by models such as the STM32H743I-EVAL2. Supports dual-core operation, USB 3.0, Gigabit Ethernet, and other high-speed interfaces, equipped with large-capacity storage. Suitable for complex system development in industrial control and high-end instrumentation, enabling full exploration of the MCU's extreme performance.

4. IoT-Specific Evaluation Boards

Designed specifically for IoT scenarios, these integrate wireless modules such as the NUCLEO-WB55 (supporting Bluetooth 5.0/802.15.4) and B-U585I-IOT02A (compatible with WiFi, Bluetooth, and Sub-GHz). Paired with multiple sensors and secure encryption capabilities, they facilitate rapid prototyping of IoT endpoints.

Within the development ecosystem, STM32 evaluation boards are compatible with the STM32CubeMX configuration tool, HAL/LL libraries, and mainstream IDEs (Keil, IAR, STM32CubeIDE). They offer extensive documentation resources and numerous third-party expansion modules, significantly lowering development barriers.

IV. STM8 MCU Evaluation Boards: Streamlined Solutions for Low-Cost, Low-Power Applications

The STM8 series employs ST's proprietary 8-bit core, delivering core advantages of low cost and ultra-low power consumption. It is suited for applications with modest performance requirements, such as household appliances, lighting control, and simple sensor systems. Its evaluation boards feature streamlined designs focused on fundamental functionality verification, offering outstanding value for money.

Core characteristics include compact form factors and exceptionally low power consumption, with static current as low as 0.30μA (select models). Support for fundamental peripheral interfaces—including GPIO, UART, SPI, I2C, and ADC—adequately fulfils basic embedded task requirements. Representative models like the STM8-SO8-Disco are specifically designed for 8-pin SO8-packaged STM8 MCUs, enabling simultaneous evaluation of multiple low-cost variants including the STM8L001 and STM8L050. This makes them ideal for minimalist solution validation.

Development support sees the evaluation board compatible with the STM8CubeMX configuration tool and Cosmic compiler. While its ecosystem scale falls short of STM32, the tools are straightforward and user-friendly, well-suited for rapid development of low-cost projects. Compared to 32-bit MCU evaluation boards, the STM8 boards omit redundant peripherals, focusing more intently on verifying low power consumption and fundamental control functions.