Green Hills Software’s March 11, 2025 announcement added automotive and industrial microcontroller profiles to its µ-velOSity RTOS-based software environment. The offering combines the RTOS with middleware, peripheral drivers, development tools and safety evidence; it is an embedded engineering platform, not a consumer car product.
What Green Hills added for automotive microcontrollers
The center of the environment is µ-velOSity, a small real-time operating system (RTOS) with a simple API, floating-point unit (FPU) and memory protection unit (MPU) support. Green Hills describes the environment as a complete stack that also includes middleware, peripheral drivers and development tools.
The automotive and industrial profiles add production-oriented capabilities, including time-sensitive networking (TSN), diagnostics over IP, fail-safe wear-leveling file systems, Data Distribution Service (DDS), CDCF and system-on-chip-specific acceleration libraries. The announcement names those components but does not publish a universal compatibility matrix or independent performance results.
What safety certifications Green Hills names
In its March 11, 2025 announcement, Green Hills said TÜV NORD certifications cover ISO 26262 ASIL D, IEC 61508 SIL 3, EN 50128 SIL 4 and EN 50657 SIL 4. These standards address functional safety in different industries and contexts; ASIL D and SIL 3 or SIL 4 are not interchangeable ratings.
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#1 Best Overall
- Low Pulse Trigger Design: Effortless control with momentary low pulse signals for reliable switching without continuous power consumption
- Bistable Self Locking Function: Maintains relay state after each trigger cycle eliminating the need for constant signal input for energy efficient run
- 4 Channel Configuration: Independent control of multiple circuits with 5V DC operating voltage suitable for various industrial applications
- High Load Capacity: Supports up to 10A load current at 250V AC or 30V DC for robust performance in demanding environments
- Complete Module Package: Includes clearly labeled trigger ports and relay interfaces for straightforward installation and immediate use, ideal for automotive electronics, motor, LED, smart home, emergency lighting, MCU development board, etc
A certification claim for a software platform is not, by itself, proof that a finished vehicle or industrial product meets its safety obligations. Teams should confirm which exact components, versions and artifacts are covered, and what evidence and integration work are required for their target system. The announcement does not provide a complete public list of those details.
How the platform fits into development workflows
Green Hills lists integration with its MULTI IDE, History debugging and trace tools, safety-certified compilers and JTAG/Trace Probe. It also describes combining µ-velOSity with µ-visor and INTEGRITY for heterogeneous SoCs. That toolchain integration is relevant when a product combines different processor types or partitions software across them; project teams still need to verify support for their particular hardware and software configuration.
Rank #2
- Designed with the SN65HVD230 CAN transceiver, this module provides a stable interface between 3.3V microcontrollers and CAN networks, enabling reliable data communication for embedded systems, automation projects, and electronic development applications.
- Supports direct connection with 3.3V MCU platforms including Arduino, STM32, ESP32, and other embedded controllers. Ideal for engineers, makers, and developers building CAN-based communication systems and custom electronic projects.
- Integrated ESD protection helps improve resistance against electrostatic discharge and electrical interference, providing more reliable operation in development environments, industrial applications, and complex electronic systems.
- Compact breakout board design makes integration simple and convenient, providing easy access to CANH, CANL, VCC, GND, TXD, and RXD interfaces for prototyping, testing, and CAN communication evaluation.
- Suitable for a wide range of applications including automotive electronics, robotics, industrial control, smart devices, and embedded systems. A practical solution for connecting microcontrollers to CAN bus networks and evaluating CAN communication functions.
Which microcontroller ecosystems are mentioned
Green Hills’ announcements and partner materials identify examples across several MCU ecosystems. These references indicate current platform activity, not a guarantee that every feature or profile is available for every part in a family.
| Platform or ecosystem | What the cited announcement establishes |
|---|---|
| Infineon AURIX TC4x | Infineon and Green Hills announced an AURIX TC4x platform on April 2, 2024. |
| NXP S32 | Green Hills announced participation in NXP S32 CoreRide on April 3, 2024; the 2025 MCU announcement also points to NXP S32 platforms. |
| MIPS Atlas M8500 | MIPS and Green Hills announced an M8500 RISC-V MCU Safety SDK on March 9, 2026. |
| Other MCUs | Green Hills says customers should contact a local office about additional MCUs, including RH850 and TriCore; the announcement does not state a full compatibility matrix. |
Cybersecurity certification is a separate claim
In a separate announcement dated 2024, Green Hills said it had received ISO/SAE 21434 automotive-cybersecurity certification from exida. This is distinct from the functional-safety certifications listed above: organizations assessing a product should check which engineering processes and product scope the cybersecurity certification covers, rather than treating it as another ASIL or SIL rating.
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- Load current :AC 250V/10A,DC 30V/10A
- Working current:60-70MA
- Working voltage:DC 6-24V
- Standby current:1UA
- Trigger mode:Low pulse trigger
What to check before selecting the platform
The right fit depends on the MCU, safety target and development requirements—not on a certification label alone. A project team can narrow the evaluation with these checks:
- Hardware: Confirm exact MCU part, core configuration, peripherals and required drivers with Green Hills or the relevant silicon partner.
- Safety goal: Match the applicable automotive, industrial or railway standard and target level to the specific software version and evidence package.
- Networking and middleware: Verify that the needed TSN, diagnostics-over-IP, DDS or other components are included and supported for the target.
- Toolchain: Check compiler, debugger, trace and heterogeneous-SoC integration requirements against the team’s workflow.
- Assurance and commercial terms: Ask for the certification scope, safety artifacts, support model and project-specific pricing. Public sources cited here do not state consumer pricing or comparative costs.
Is µ-velOSity sold on Amazon?
µ-velOSity is enterprise embedded software and engineering infrastructure, not a typical retail MCU kit. The sources cited here do not identify an Amazon listing or consumer purchase price; they direct customers seeking additional MCU support to contact a Green Hills local office.
Quick Recap
Best Value
- Tang Primer 25K Dock board is a new generation of modular dock board,equipped with an USB-JTAG debugger, 3 PMOD interfaces, and a 40P pin header interface.
- It integrates Gowin GW5A-LV25MG121,64Mbit SPI FLASH,DC-DC power supply.
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Rank #4
- The SN65HVD230DR CAN transceiver module delivers efficient 3.3V CAN bus communication, for low power systems and battery operated devices with industrial reliability
- Featuring CAN compliance for standard/extended frame, this CAN bus module ensures stable data transmission in harsh
- Engineered with integrity protective, this CAN transceiver maintain communication across 40°C to 125°C operating ranges, making it essential for automotive control units and industrial machinery
- Perfect for vehicle diagnostic systems, factory automation networking, and installations where 3.3V CAN bus communication module must withstanding electromagnetic and long cable runs
- Ideal for automotive electronics engineers, industrial automation specialists, and requiring CAN networking in space constrained applications
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