The STM32N6 is based on the Arm® Cortex®-M55 running at 800 MHz, the first CPU to introduce Arm Helium vector processing technology, bringing DSP processing capability to a standard CPU.
The STM32N6 is the first STM32 MCU to embed the ST Neural-ART accelerator™, an in-house developed neural processing unit (NPU) engineered for power-efficient edge AI applications. Clocked at 1 GHz and providing up to 600 GOPS, it enables real-time neural network inference for computer vision and audio applications.
A dedicated computer vision pipeline with a MIPI CSI-2 interface and image signal processing (ISP) ensures compatibility with a wide range of cameras. The STM32N6 also features an H264 hardware encoder and the NeoChrom™ Accelerator for graphics, making it suitable for feature-rich products.

It offers 4.2 Mbytes of contiguous embedded RAM, ideal for neural networks or graphics applications, complemented by high-speed external memory interfaces (hexa-SPI, OCTOSPI, FMC).
The STM32N6 offers advanced security features, meeting the latest standards with target SESIP level 3 and PSA level 3 certifications.
Available in six different packages ranging from 169 to 264 pins and from 0.4 mm to 0.8 mm pitch, it supports up to 125°C ambient temperature, making it suitable for harsh environments.
Benefits
- Enabling high-performance edge AI on MCUs
- Run more complex NN models with better accuracy
- Enables real-time processing
- Process higher resolution images/higher sampling frequency
- Run different NN models in parallel
- Enhanced UX/HMI
- Rich and responsive graphics
- Enables various interaction possibilities
- Advanced video and multimedia applications
- Video streaming over USB/ Ethernet/ Wi-Fi/ Bluetooth
- Video recording
- Seamlessly integrated in the STM32 ecosystem
- Supported by our edge AI tools, resources, and case studies
- Compatible with the TouchGFX packages for graphics
- Highly secured
- Compliant with the latest security regulation standards (Target SESIP level 3 and PSA level 3 certifications)
Applications
- Smart industry
- Smart homes
- Smart cities
- Automotive
- Personal electronics
- Medical and healthcare
Product types
- STM32N6x7 AI line
- Neural-ART AcceleratorTM, 4.2 Mbytes of contiguous RAM, graphics and multimedia accelerators, fast serial I/F for external memories, dedicated ISP, multiple camera interfaces.
- STM32N6x5 General-purpose line
- 4.2 Mbytes of contiguous RAM, graphics and multimedia accelerators, fast serial I/F for external memories, dedicated ISP, multiple camera interfaces.
STM32N6 Series portfolio
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