What's new with STM32? Find out about the latest MCU and MPU releases.
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Build with the memory and features your design needsDesigning secure, connected systems often means balancing performance, memory, integration, and cost.With the latest STM32H5 lines, you can now scale within the same platform, from a compact 1 Mbyte device to higher-memory MCUs for graphics-rich and feature-heavy designs.Built on the Arm Cortex-M33 running up to 250 MHz, STM32H543/553 and STM32H5Ex/Fx devices scale from 1 Mbyte to 4 Mbytes of flash, enabling a consistent platform for secure, connected, and graphics-enabled embedded applications. STM32H543/553: a compact option for secure embedded designsThe new STM32H543/553 line are designed for developers who need strong security, rich connectivity, and efficient memory use in a more compact device.Key features:Build secure embedded applications in a smaller memory footprint with 1 Mbyte of flash and 304 Kbytes of RAM Start from a stronger security foundation with TrustZone, secure boot, authenticated debug, tamper protection, and a
ST has been ranked the number one vendor worldwide in general‑purpose microcontrollers (GP MCU) for the fifth consecutive year, based on research published by Omdia*, a global analyst and advisory leader. This recognition reflects the continued trust developers place in STM32 when building MCU designs. Thank you for choosing STM32 and for being part of this journey. Since the launch of the first STM32 nearly 20 years ago, our guiding principle has remained the same: we put developers first. This means providing embedded developers with cutting-edge STM32 hardware and software technology, comprehensive support, and high-quality, reliable supply. Your feedback, challenges, and ideas help shape our roadmap and drive continuous improvement and innovation across the STM32 portfolio. We look forward to continu
STPMIC1L and STPMIC2L power-management ICs (PMICs) help designers leverage the embedded-processing muscle of ST’s Arm® Cortex®-A microprocessors (MPUs) in performance-oriented industrial applications. Tailored for the 32-bit STM32MP1x and 64-bit STM32MP2x series, the new PMICs deliver cost-effective power and protection while saving board space, simplifying hardware design, and minimizing the bill of materials. With multiple fixed and adjustable LDOs and DC/DC buck converters for all MPU power rails, each PMIC also contains an LDO suited to powering external DDR DRAM. The PMICs target equipment such as point-of-sale (POS) terminals, network gateways, home-automation systems, edge-processing platforms, printers, barcode scanners, and metering systems. With their extended junction temperature rating from -40°C to 125°C, the devices withstand harsh environments in applications like industrial controls, thermostats, and smart-factory devices. The STPMIC1L for the STM32MP1 series has two DC
The EVSTDRVG611MC gallium-nitride (GaN) motor-control reference design for appliances and industrial drives handles more than 600W without a heatsink, ensuring a compact outline and low build cost. Available as a turnkey board, ready to power up and evaluate, the reference design combines ST’s STDRIVEG611 GaN driver ICs, discrete GaN power transistors, and a mixed-signal STM32G431 microcontroller. The bill of materials (BOM) and schematics, as well as gerber files for the economical 2-layer 108mm x 110mm board, are ready to download from st.com. ST’s GaN high electron-mobility transistors (HEMT) and driver ICs are already transforming power conversion, enabling chargers, adapters, and server PSUs, to reach efficiency and power density unachievable with silicon technology. The STDRIVEG611 gate drivers in the EVSTDRVG611MC reference design are tailored for hard switching to facilitate GaN adoption in motor controls. By combining these drivers with 650V 75mΩ GaN transistors, the board let
Built on the Arm® Cortex®‑M33 core, the STM32U3B5/U3C5 MCUs combine up to 2 Mbytes of dual‑bank flash memory with 640 Kbytes of RAM and are available in packages from 48 to 144 pins (UFQFPN, WLCSP, LQFP, and UFBGA). The lines introduce a hardware signal processor (HSP) to the STM32U3 portfolio, offloading complex DSP and edge‑AI workloads and improving performance, efficiency, and security, all while remaining optimized for compact, battery‑powered devices. To support evaluation and rapid prototyping, the new NUCLEO‑U3C5ZI‑Q Nucleo board is also available. 1. High‑performance DSP and what this means for you: Much faster DSP execution compared to Cortex®-M33 alone Smoother real‑time analytics Higher sampling rates More CPU headroom for your application logic Key improvements Up to 12× faster DSP workloads (vs Cortex‑M33 alone) Around 3× boost in overall DSP performance (vs Cortex‑M55) Best‑in‑class FIR/RFFT acceleration Significantly better DSP power efficiency while staying ultra‑lo
The STM32WBA2 extends the STM32WBA family with a more integrated, cost-effective MCU for low-power wireless devices. As the most affordable STM32 wireless MCU supporting Bluetooth® LE and IEEE 802.15.4, it adds improved wireless features and new communication interfaces while staying fully compatible with existing products. Powered by an Arm® CortexM33 at 64 MHz, it provides a compact and efficient platform for flexible wireless applications. Improved wireless performance for robust IoT designs High‑performance radio delivering stable connectivity with +10 dBm max output power Supports Bluetooth® LE, Zigbee, and Thread for broad protocol compatibility Programmable Tx power in 1 dB steps to precisely tune energy consumption and extend battery life Flexible power‑control leveraging ultra-low-power STM32 MCU architec
STM32MP21 microprocessors (MPUs) have been introduced for cost-aware edge applications in smart factories, smart homes, and smart cities, combining advanced cores and peripherals with strong security targeting SESIP Level 3 and PCI pre-certification.Extending ST’s STM32MP2 series, the new MPUs with a 1.5GHz 64-bit Arm® Cortex®-A35 core and advanced 32-bit Cortex®-M33 at 300MHz ensure fast execution times with flexibility. The two cores handle complex tasks and real-time control, adding the opportunity for boot processing on the Cortex®-M33 to launch services quickly and accelerate system wake-up from power-saving modes.“Smart technology holds the key to meeting efficiency and sustainability goals, raising demands for IoT and infrastructure products that perform high-value functions in real-time,” commented Patrick Aidoune, Group Vice President and General Purpose and Automotive Microcontrollers Division General Manager, STMicroelectronics. “Our latest STM32MP21 MPUs are here for develo
STM32 developers can now get more memory and extra features in STM32C0 microcontrollers (MCUs) to support more sophisticated functionality in resource-constrained and cost-sensitive embedded applications.Bringing up to 128Kbyte of Flash and 24Kbyte of RAM, the STM32C071 MCUs also add USB Host and crystal-less Device as well as TouchGFX support. With USB on-chip, designers can easily save at least one external clock and four decoupling capacitors to cut the bill of materials and ease PCB layout. Also, having only one power-supply pair helps to simplify the PCB design, new product designs can become slimmer, trimmer, and more competitive.STM32C0 MCUs feature the Arm® Cortex®-M0+ core and can replace legacy 8-bit or 16-bit MCUs in equipment like home appliances, simple industrial controls, power tools, and IoT devices. As a cost-effective 32-bit option, they provide more performance, memory, and peripheral integration for functions such as user-interface control, as well as other basic co
The EVLDRIVE101-HPD (High Power Density) motor-drive reference design packs a 3-phase gate driver, STM32G0 microcontroller, and 750W power stage on a circular PCB just 50mm in diameter. The board features extremely low power consumption in sleep mode, below 1uA, and its tiny outline can fit directly in equipment like hairdryers, handheld vacuums, power tools, and fans. It also fits easily into drones, robots, and drives for industrial equipment such as pumps and process-automation systems.Built with ST’s robust and compact STDRIVE101 3-phase gate driver, the reference design gives flexibility to choose the motor-control strategy, such as trapezoidal or field-oriented control (FOC), with sensored or sensorless rotor-position detection. The STDRIVE101 IC contains three-half bridges with 600 mA source/sink capability and operates from 5.5V to 75V to handle any low-voltage application. The chip integrates voltage regulation for the high-side and low-side gate drivers and configurable drain
What are DDR3L and DDR4? DDR3L and DDR4 are common types of DRAM used in embedded systems. DDR3L is a low-voltage version of DDR3, offering good performance with lower power consumption. DDR4 is the newer generation, providing higher speeds and better efficiency. Both are essential for fast, reliable memory access in modern applications. Current memory market challenges The global memory market is facing major challenges: demand is rising due to 5G, AI, automotive, and cloud sectors, and manufacturers shift from LPDDR4 and DDR4 to LPDDR5/DDR5 to sustain the increasing performance level needed in the consumer and servers’ markets. This move puts the LPDDR4/DDR4 market under pressure, causing prices to triple and lead times to double since early 2025. For developers, this means higher costs, supply uncertainty, and potential project delays. ST’s solution: multi-memory support with STM32MP2 ST’s STM32MP2 series supports DDR3L memory alongside LPDDR4 and DDR4. This multi-memory comp
The STM32 Summit brought together the latest in microcontroller technology and embedded solutions. If you couldn’t join us, don’t worry; three expert-led tech dives are also available on demand, offering valuable insights into brand-new STM32V8 high-performance MCUs, STM32 graphics & framebuffer strategies, and smart sensor applications. Sign up for free to watch the tech dives with the details below. Tech dive 1 | New product announcement STM32V8: next-gen, high-performance STM32 MCUs built on 18 nm process node The STM32V8 is the industry’s first microcontroller built on cutting-edge 18 nm FD-SOI technology, featuring advanced phase-change embedded memory (PCM). This innovative series delivers high-performance and secure solutions tailored for the most demanding industrial environments. In this session, you’ll discover how the STM32V8 can transform your next design with: Enhanced robustness in ha
The STM32WBA6 is the most advanced microcontroller in the STM32WBA series, designed to empower developers building next-gen wireless IoT devices. Combining high performance, flexible connectivity, and robust security, the MCUs offer the following high-end features: Up to 2 Mbytes of flash memory and 512 Kbytes of RAM. Up to 86 GPIOs and USB OTG high-speed support for advanced connectivity. Design flexibility with a wide range of package options. QFN48 pin to pin compatibility for upgrades from STM32WBA55. How STM32WBA6 makes a difference in your projects Smart locks: Leverage 2 Mbytes of flash for flexible key management and secure data storage. Support dual-bank firmware architecture to enable seamless OTA updates without downtime. Simplify hardware design and reduce bill of materials (BOM) costs with the integrated radio, accelerating time to market. Deliver an enhanced user experience through reliable and secure wireless connectivity. Smart home Matter and Thread end d
At the STM32 Summit last December, ST innovation leaders announced the groundbreaking AI-accelerated MCU, the STM32N6, presenting inspiring customer use cases, and sharing the stage with our partner Edge Impulse. They also explored our strategic collaborations with Qualcomm Technologies, Inc, and Amazon Sidewalk in the field of wireless applications.Following this live keynote, we hosted two tech dives focusing on edge AI solutions with the STM32N6, which are still available on demand. The STM32 Summit triggered significant interest, which is why we continued answering your questions after the event was over. You will find all the answers to your questions consolidated in this document What do you need to know about the STM32N6? Let’s summarize the main takeaways. 1. An advanced AI microcontroller with an NPUThe STM32N6 microcontroller is built on a powerful Arm® Cortex®-M55 processor clocked at 800 MHz, the highest STM32 core frequency yet. It features an ST proprietary neural proces
These are the first STM32 MCUs based on near-threshold technology, delivering a breakthrough improvement in battery life. With near-threshold technology, the STM32U3 MCUs reduce the active consumption down to 9.5 μA/MHz, resulting in significant longer battery life for any application. Powered by an Arm® Cortex®-M33 core running at 96 MHz, it delivers market-leading energy efficiency—up to 5 times better than previous generations, with 117 CoreMark/mW. Flexible memory and packagingWith flexible memory options (256 Kbytes of RAM & up to 1 Mbytes of dual-bank flash) and a wide range of package choices, STM32U3 enables you to build compact, power-optimized devices tailored to your needs. Enhanced security for mission-critical applicationsSecurity is a core focus of the STM32U3, targeting PSA Certified Level 3 and SESIP Level 3 certifications to provide robust protection for sensitive and mission-critical systems. Its dual-bank flash architecture supports seamless firmware updates with
This ST67W611M1 module is designed to simplify the deployment of IoT solutions enhanced by edge AI and aims to drive wireless innovation and improve design scalability for software developers. Key benefits Seamless integration with the STM32Cube ecosystemSimplify development process with the STM32Cube software expansion package offering intuitive APIs and ready-to-use demo applications. Flexible configuration optionsSelect from three configuration options—embedded antenna, RF connector, and RF pin output—to best suit project needs, enabling easy addition of wireless connectivity to existing applications. Efficient developmentLeverage 4 Mbytes of flash with OTA updates for easy firmware management and reduce design complexity with integrated components like balun, PA, LNA, and switch. Future-proof connectivityIntegrate Wi-Fi 6 and Bluetooth® LE into your applications and anticipate future enhancements with Matter protocol and Thread features, scheduled for software updates in Q3 and
STMicroelectronics has released a set of antenna-matching companion chips for STM32WL33 wireless microcontrollers (MCUs) to simplify the development of IoT, smart-metering, and remote-monitoring applications. The new MLPF-WL-01D3/02D3/04D3 ICs combine impedance matching and harmonic filtering on a single glass substrate to optimize the main radio’s RF performance, leveraging proprietary integrated passive device (IPD) technology. Precision engineered and housed in an ultra-compact package, the highly integrated devices ensure right-first-time design while saving development time, bill-of-materials costs, and board space. Integrating antenna protection, the new devices substantially simplify the RF connection to the MCU. In addition to ensuring optimal performance, integrated matching and filtering also increases reliability and reduces overall cost by eliminating the need to combine multiple discrete components. In total, there will be seven variants, letting designers optimize for ra
Three new microcontrollers (MCUs) are joining the STM32C0 series, giving designers more flexibility with options including greater memory density, extended interfaces, and CAN FD for enhanced communication capability. The new MCUs now joining the cost-efficient series include the STM32C051, with up to 64 KByte of flash for applications that need more storage than STM32C031 MCUs can provide. Additional features include extra interfaces and more user I/O channels in packages with up to 48 pins. Also new, the STM32C091 and STM32C092 extend flash density up to 256 KByte in packages up to 64 pins, adding a CAN FD interface in the STM32C092. With CAN FD on-chip, users can trim the BOM and simplify the hardware design of industrial communication and networking devices, leveraging the upgraded protocol’s flexibility, speed, and payload capacity. "The STM32C0 series offers great flexibility as a cost-conscious line in the STM32 family, with memory ranging from 32 KByte to 256 KByte of flash an
STMicroelectronics has announced mass-market availability of new STM32MP23 general-purpose microprocessors (MPUs), combining high-temperature operation up to 125°C with the speed and efficiency of dual Arm® Cortex®-A35 cores, for superior performance and ruggedness in industrial and Internet-of-Things (IoT) edge compute, advanced HMI, and machine-learning applications. Joining the STM32MP25 series launched in 2024, the new MPUs contain dual 1.5GHz Arm Cortex-A35 cores, a 400MHz Cortex-M33 for real-time applications, and a neural network accelerator with 0.6 TOPS performance. There is also a 3D graphics processor, H.264 decoder, MIPI CSI-2 camera interface with raw data support, dual Gigabit Ethernet ports with time-sensitive networking (TSN), and two CAN-FD interfaces. Combining diverse processing resources and optimized on-chip features, the STM32MP23 series fulfills numerous sensing, processing, and data-handling roles throughout smart factories, smart cities, and smart homes. With t
ST has announced the general availability of the STM32WL33 wireless MCUs, which integrate the latest-generation sub-GHz long-range radio and Arm® Cortex®-M0+ core. These MCUs are designed to simplify wireless solution designs, reduce time-to-market, and prolong battery life, making them ideal for various applications. Key benefits for developers Device-specific software and middleware:Access to STM32CubeWL3 software and middleware Support for development boards like NUCLEO-WL33CC1 (868/915 MHz) and NUCLEO-WL33CC2 (433 MHz) Power efficiency and design:Ultra-low-power architecture: Optimizes wireless range, simplifies design, extends battery life LCSC flow-sensor controller: Optimizes water metering devices, operates with traditional meters, provides anti-tampering, extends battery life to over 15 years Receive-only wideband radio: Ultra-low-power (4.2 µA), listens for wake-up signals, negligible battery impact, supports drive-by reading and wake-on-serviceIntegrated features:Memories a
The EVLSERVO1 servo driver reference design from STMicroelectronics offers a highly compact solution specifically engineered for high-power motor-control applications, providing designers with a turnkey platform to explore, develop, and prototype without compromises. Delivering 3kW in a compact (50 mm x 80 mm x 60 mm) form factor, the EVLSERVO1 offers a rich set of features for servo motor control in applications including industrial and home automation, home appliances, servo drives, e-bikes, and service and automation robots. Featuring the advanced STSPIN32G4 intelligent motor driver, the EVLSERVO1 allows developers to implement sensorless or sensored field-oriented control (FOC) with one, two, or three shunts; advanced position or torque control algorithms; or six-step control modes. It combines the STSPIN32G4 with a power stage optimized for nominal bus voltages from 24V to 48V. The system drives three-phase brushless motors at up to 2kW using only the heatsink, or 3kW with a fan.
The STM32C0x1 MCUs feature the Arm Cortex®-M0+ core and run up to 48 MHz. Compact, affordable, and reliable, the STM32C071 product line includes a USB host and crystal-less device, up to 128 Kbytes of flash and 24 Kbytes of RAM. With larger memory options and USB connectivity, the STM32C071 line now gives more flexibility to upgrade existing applications and create new products. The line also offers 12-to-64-pin packages, in WLCSP, TSSOP, UFQFPN, LQFP, UFBGA profiles. Replace traditional segment displays with modern graphical display solutions thanks to the NUCLEO-C071RB The STM32C0 Nucleo board, NUCLEO-C071RB, helps you achieve modern display capabilities, particularly ideal for STM32 entry-level graphics. By replacing traditional segment displays with modern graphic display solutions, it offers a smartphone-inspired user experience.This upgrade is cost-effective, ensuring a minimal increase in the bill of materials (BOM) cost. TouchGFX, a free GUI tool, simplifies development by offe
ST’s STSPIN32 drivers combine a general-purpose STM32 microcontroller (MCU) with a feature-rich three-phase gate driver to simplify design, save PCB area and accelerate time to market. The eight new STSPIN32G0 devices contain gate drivers rated 45V, 250V and 600V, targeting applications from battery-operated appliances and power tools to industrial automation, robots, HVAC systems and line-powered home appliances. The new devices integrate an STM32G031 microcontroller, based on the Arm® Cortex®-M0+ core, which has the computing power to handle popular control algorithms, including six-step control and field-oriented control (FOC). FOC implementation can be sensored or sensorless, with one, two, or three shunts. Additional features that help simplify system design include a 12-bit ADC, internal voltage reference buffer, an advanced motor-control timer, and digital interfaces including I2C, USART, and SPI. Up to 32 general-purpose I/O pins (GPIOs), 64KB of Flash, and 8KB of SRAM give dev
TTTech's Time-Sensitive Networking (TSN) switch IP is now integrated into ST's STM32MP25 microprocessor, offering safe and secure connectivity of applications to standard Ethernet networks, with several key benefits for developers addressing switch, PLC or IPC solutions. What's new and its impactTTTech's TSN Switch IP is recognized as the most mature and best-in-class solution available in the market. For developers, this means a reliable and robust networking foundation, reducing the risk of integration issues and ensuring long-term support. The seamless integration of the TSN Switch Core and Endpoint into the STM32MP25 translates to the lowest eBOM for embedded TSN switching and deterministic communication. Additionally, the availability and support of standard-compliant open-source software and configuration tools for the TSN ecosystem streamline the development process. Developers can leverage these resources to accelerate their projects and ensure compliance with industry standard
Earlier this year, the launch of the STM32H523 and STM32H533 MCUs expanded the STM32 high-performance portfolio, offering enhanced performance, security, power efficiency, and advanced embedded peripherals. What’s new in the two lines?STM32H523 product line: Memory: 256 to 512 Kbytes of flash memory and 272 Kbytes of SRAM Package options: Available in 48 to 144 pins packages in BGA and LQFP profiles, as well as WLCSP39 and UFQFN48 packages, allowing developers to choose the best fit for their design constraints STM32H533 product line: Memory: 512 Kbytes of flash memory, offering substantial storage for applications requiring more memory Additional features: Includes an encryption accelerator engine (AES, PKA, and OTFDEC) and ST-iROT, which enhance security features Certifications: Targets SESIP3 and PSA Level 3 certifications Both lines feature the Arm Cortex®-M33 core with TrustZone® for Armv8-M, DSP, and a floating-point unit (FPU) running up to 250 MHz. Key benefitsMore des
The STPMIC25 power-management IC for STM32MP2 microprocessors is now available, with 16 channels to supply all the MPU power rails as well as system peripherals in one convenient package. Completing the hardware design requires only a small number of external components to provide filtering and stabilization and the STEVAL-PMIC25V1 evaluation board is available now to start development immediately. The IC contains seven DC/DC buck converters and eight low-dropout (LDO) regulators, with an additional LDO to provide the reference voltage (Vref) for system DDR3 and DDR4 DRAMs. Among the eight LDOs is a dedicated 3.3V channel to supply USB High-speed and Type-C PHY ICs. There are also general-purpose LDOs that can be assigned to power circuitry such as memory card interfaces and Ethernet ports. The buck converters are optimized to power the MPU’s CPU, core circuitry, GPU, I/O and analog domains, with additional channels for DDR RAM supply and a general-purpose auxiliary output. The conver
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