Industry New Product! ST Launches the Latest STM32MP21 Microprocessor
STMicroelectronics announced the launch of its latest STM32MP21 microprocessor (MPU) in January 2026. Designed for cost-sensitive edge applications in smart factories, smart homes, and smart cities, the STM32MP21 offers an efficient solution. As a new member of the STM32MP2 series, the STM32MP21 integrates advanced processor cores, a rich set of peripherals, and robust security features that meet SESIP Level 3 and PCI pre-certification standards.
Technical Specifications and Features of STM32MP21
The STM32MP21 microprocessor features a 1.5GHz 64-bit Arm® Cortex®-A35 application core and a 300MHz 32-bit Cortex®-M33 real-time core. This dual-core design ensures fast execution of complex tasks while maintaining the flexibility required for real-time control functions. The added Cortex®-M33 core boot program functionality allows for rapid service program startup and faster system wake-up from power-saving modes.
The STM32MP21 provides extensive peripheral support, including a MIPI CSI-2 camera interface and two Gigabit Ethernet interfaces that support Time-Sensitive Networking (TSN). Additionally, the microprocessor supports various memory interfaces, such as DDR controllers, to meet data processing needs across different application scenarios.
In terms of security, the STM32MP21 has been optimized for SESIP Level 3 and PCI pre-certification, offering robust security features that effectively protect data and privacy in edge devices.
Applications of STM32MP21
The STM32MP21 microprocessor is suitable for a variety of cost-sensitive edge computing scenarios, including but not limited to:
● Smart Factories: Used for industrial automation control, equipment monitoring, and data acquisition to enhance production efficiency and intelligent equipment management.
● Smart Homes: Enables the interconnectivity of smart home appliances, energy management, and home automation control.
● Smart Cities: Supports intelligent monitoring of urban infrastructure, traffic management, and environmental data collection.
Industry Outlook and STM32 Chip Recommendations
With the introduction of the STM32MP21, STMicroelectronics has further expanded its STM32 series of microprocessors, offering more choices for users with diverse needs. For applications requiring high performance, low power consumption, and robust security, the STM32MP21 is undoubtedly an ideal choice.
In addition, ST offers other popular MCU models, each with its own performance and functional focus. Users can quickly understand the features of the popular STM32 models and select the appropriate chip based on specific application needs and budget.
Model | Core | Frequency | Memory (Flash/SRAM) | Application Scenario |
Cortex-M4F | 168MHz | 1MB/192KB | High-performance general applications, such as industrial control and consumer electronics | |
Cortex-M7 | 216MHz | 1MB/512KB | High-performance applications, such as graphical display and multimedia processing | |
Cortex-M7 | 480MHz | 2MB/512KB | High-performance, low-power applications, such as smart meters and IoT devices | |
Cortex-M4F | 80MHz | 1MB/320KB | Low-power applications, such as portable devices and battery-powered equipment | |
Cortex-M0+ | 64MHz | 128KB/16KB | High cost-performance applications, such as small household appliances and sensor nodes | |
Cortex-M3 | 72MHz | 64KB/20KB | Basic applications, such as learning development boards and simple embedded projects | |
STM32MP157C | Dual-core(Cortex-A7 + Cortex-M4) | 550MHz + 209MHz | 512MB DDR3/DDR3L | Multi-core applications, such as smart gateways and edge computing devices |
STM32MP23 | Dual-core(Cortex-A35 + Cortex-M33) | 1.5GHz + 300MHz | 2GB DDR4 | High-performance edge computing applications, such as smart factories and smart homes |
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