MIMX9331AVTYMAB

The MIMX9331AVTYMAB is a microprocessor IC built around dual ARM® Cortex®-A55 application cores and a general-purpose ARM® Cortex®-M33 core, complemented by an on-chip Neural Processing Unit (NPU) for machine learning inference. It targets embedded designs requiring a mix of application-level performance, real-time processing and edge ML acceleration.

Typical use cases include smart home and building control, contactless human–machine interfaces (HMI), IoT edge devices, industrial control and network gateway applications. The device emphasizes integration of compute, memory interfaces and peripheral connectivity to simplify system design.

Key Features

• Processing cores  Dual ARM® Cortex®-A55 processors (64-bit, up to 1.7 GHz) for application processing, plus an ARM® Cortex®-M33 core (up to 250 MHz) for real-time and low-power tasks.
• Neural Processing Unit (NPU)  NPU with 256 MACs operating up to 1.0 GHz and 2 OPS/MAC; targets 8-bit and 16-bit integer RNN and handles 8-bit weights for on-device ML inference.
• Memory subsystem  16-bit external DRAM interface supporting LPDDR4/LPDDR4X with inline ECC and up to 2 Gbyte DDR memory space; on-chip RAM and boot ROMs for both application and real-time cores.
• Image sensor and imaging support  Image Sensor Interface (ISI) supporting standard pixel formats, programmable resolutions up to 2K, pixel rates up to 200 Mpixel/s, downscaling, color space conversion and interlaced-to-progressive conversion.
• Display and camera interfaces  Integrated controllers for LCD, LVDS, MIPI-CSI (camera) and MIPI-DSI (display) for flexible HMI and vision system designs.
• High-speed connectivity  Dual 1 Gbps Ethernet controllers (GBE) and two USB 2.0 ports for robust wired networking and peripheral connectivity.
• Storage and boot  Multiple eMMC/SD host interfaces including support for eMMC 5.1 (HS400 DDR), SDXC and SDIO to cover local storage and booting options.
• Security features  On-chip boot security, cryptography support, eFuse, random number generator, secure RTC and tamper detection to harden platform security.
• On-chip memory and caches  Dedicated boot ROMs (256 KB each for Cortex-A55 and Cortex-M33), on-chip RAM (~640 KB), and multi-level caches (including L3) with parity/ECC protection for memory integrity.
• Mounting and compliance  Surface-mount device and RoHS compliant.

Typical Applications

• Smart Home and Building Control  Edge compute for centralized control, sensor aggregation and responsive HMI in connected building systems.
• Contactless HMI  Camera and display interfaces with on-chip image processing and ML acceleration for gesture or presence-based interfaces.
• IoT Edge Devices  Local inference and secure device management using the integrated NPU and hardware security features.
• Industrial Control  Real-time monitoring and control tasks handled by the Cortex-M33 core while application workloads run on the Cortex-A55 cores.
• Network Gateway  Dual Gigabit Ethernet and peripheral connectivity for compact gateway and bridge applications.

Unique Advantages

• Integrated heterogeneous compute: Combines high-performance Cortex-A55 cores, a real-time Cortex-M33 core and an on-chip NPU to consolidate application, control and ML workloads on one device.
• Edge ML acceleration: NPU architecture (256 MACs, up to 1.0 GHz) enables on-device inference for low-latency ML use cases without external accelerators.
• Robust imaging pipeline: ISI with programmable 2K resolution support, high pixel-rate handling and image processing blocks simplifies camera-based solutions.
• Flexible memory and storage: LPDDR4/LPDDR4X support with inline ECC and multiple SD/eMMC host controllers provide scalable memory and boot/storage options.
• Comprehensive connectivity: Dual 1 Gbps Ethernet and multiple USB ports deliver wired networking and peripheral I/O for gateway and edge systems.
• Security-focused design: Hardware boot security, cryptography, eFuse and RNG support help protect devices and data at the platform level.

Why Choose MIMX9331AVTYMAB?

The MIMX9331AVTYMAB positions itself as a highly integrated microprocessor IC for embedded systems that need a balance of application performance, deterministic real-time control and edge ML capability. Its mix of dual Cortex-A55 cores, Cortex-M33 real-time core and an NPU, together with rich imaging and connectivity options, makes it suitable for smart HMI, edge inference, industrial control and gateway projects.

Designers benefit from consolidated compute and peripheral integration, on-chip security primitives and documented on-chip memory and boot resources—reducing component count and simplifying system architecture while providing a platform that scales across a range of embedded applications.

Request a quote or contact sales to discuss pricing, lead times and how the MIMX9331AVTYMAB can fit into your next embedded design.