STMicroelectronics, a leading global semiconductor company, has introduced the STM32V8, a next-generation high-performance microcontroller (MCU) tailored for demanding industrial applications. Built using ST’s cutting-edge 18nm process technology, the STM32V8 features best-in-class embedded phase-change memory (PCM). It is produced at ST’s 300mm fabrication facility in Crolles, France, and through a partnership with Samsung Foundry. Microcontrollers like the STM32V8 are essential components that power a wide range of devices worldwide, from consumer electronics and home appliances to industrial systems, medical equipment, and communication infrastructure.
“The STM32V8 is our fastest STM32 microcontroller to date, designed for high reliability in harsh operating environments, with the ability to replace much larger and power-hungry application processors. The STM32V8 represents the future of what a high performance MCU can do for demanding embedded and edge AI applications such as industrial control, sensor fusion, image processing, voice control, and others,” said Remi El-Ouazzane, President, Microcontrollers, Digital ICs and RF products Group at STMicroelectronics.
Thanks to its Arm Cortex-M85 core and the 18nm process, the STM32V8 achieves clock speeds of up to 800 MHz, making it the most powerful STM32 MCU ever shipped. High levels of faster and larger embedded memory are a key enabler of a broad range of secure and connected applications. The FD-SOI process technology with embedded PCM provides strong robustness and reliability in harsh operating environments.
One such demanding environment is the high-radiation conditions encountered in Low Earth Orbit (LEO). SpaceX has selected the STM32V8 for its Starlink constellation, using it in a mini laser system that connects the satellites traveling at extremely high speeds in LEO.
“The successful deployment of the Starlink mini laser system in space, which uses ST’s STM32V8 microcontroller, marks a significant milestone in advancing high-speed connectivity across the Starlink network. The STM32V8’s high computing performance and integration of large embedded memory and digital features were critical in meeting our demanding real-time processing requirements, while providing a higher level of reliability and robustness to Low Earth Orbit environment, thanks to the 18nm FD-SOI technology. We look forward to integrating the STM32V8 into other products and leveraging its capabilities for next-generation advanced applications,” said Michael Nicolls, Vice President, Starlink Engineering at SpaceX.
The STM32V8 is in early-stage access for selected customers with key OEMs availability as of the first quarter 2026 and with broader availability to follow.
Technical information
The STM32V8 leverages the latest-generation Arm Cortex-M85, the highest-performing core in the series, to handle complex applications and maintain extremely high energy efficiency.
ST’s silicon-on-insulator (FD-SOI) technology offers exceptional energy efficiency and robustness, supporting a maximum junction temperature of up to 140°C.
The STM32V8’s phase-change non-volatile memory (PCM) has the smallest cell size on the market, enabling 4MB of embedded non-volatile memory (NVM), and delivering high integration while maintaining excellent cost efficiency.
The MCU also incorporates state-of-the-art security features leveraging the STM32 Trust framework as well as the latest cryptographic algorithms and lifecycle management standards. Targeting PSA Certified Level 3 and SESIP certification, the STM32V8 is ready to accelerate compliance with the incoming Cyber-Resilience Act (CRA).
The 3.3V support in the STM32V8 brings a number of benefits for industrial applications, including lower power consumption, better signal integrity, and integration with modern industrial communication standards.
The MCU integrates special accelerators, including graphic, crypto/hash, and comes with a large selection of IP, including 1Gb Ethernet, rich digital interfaces (FD-CAN, octo/hexa xSPI, I2C, UART/USART, USB), analog peripherals, and timers.
While delivering MPU-class processing performance in an MCU, the STM32V8 supports bare-metal or RTOS-based development for optimal system behavior, boot time, resource usage, and attack resistance.
The device is supported in the STM32 development ecosystem including STM32Cube software development and turnkey hardware including Discovery kits and competitively priced Nucleo evaluation boards.
