MIMX9322CVXXMAB

Overview

The MIMX9322CVXXMAB is an industrial-grade application processor from the NXP i.MX 93 family, designed for high-efficiency edge computing and machine learning inference. It features a dual-core Arm Cortex-A55 architecture operating at up to 1.7 GHz, complemented by an Arm Ethos-U65 microNPU for neural network acceleration and a dedicated Cortex-M33 real-time core running at 250 MHz. The device supports LPDDR4/LPDDR4X memory with inline ECC via a 16-bit interface capable of 3.2 GT/s speeds. Connectivity includes one Gigabit Ethernet controller, one USB 2.0 port, CAN-FD, and multiple serial interfaces. Visual processing is handled by MIPI CSI-2 and DSI interfaces alongside parallel camera and display support. The component utilizes a 9x9 mm FCBGA package with a 0.5 mm pitch and operates reliably within the -40°C to +105°C temperature range.

Feature Summary

• Integrates a high-efficiency Neural Processing Unit (NPU) to accelerate machine learning inference tasks directly on the edge.
• Features a heterogeneous multi-core architecture combining performance-oriented Cortex-A55 cores with a low-power Cortex-M33 real-time core.
• Includes robust security subsystems such as the EdgeLock Secure Enclave and TrustZone technology for data protection.
• Supports flexible multimedia input and output through MIPI interfaces and parallel connections for cameras and displays.

Applications

• Industrial human machine interface (HMI)
• Industrial vision systems
• EV Charging stations
• Industrial automation controllers

Procurement Notes

Verify that the specific part number matches the Industrial temperature grade requirements (-40°C to +105°C). Confirm the package type corresponds to the 9x9 mm footprint with 0.5 mm pitch. Ensure compatibility with the required power management IC for proper voltage sequencing. Check silicon revision details against reference designs if utilizing specific debug or trace features.

Selection Notes

Select this model when a compact form factor is required alongside integrated AI acceleration capabilities. It is suitable for applications needing deterministic real-time processing via the Cortex-M33 core while handling complex graphical user interfaces on the A55 cores. Consider the reduced peripheral count compared to larger packages if board space is limited but essential connectivity like GbE remains necessary.

Part Context

This processor belongs to the i.MX 93 family, which targets smart home, building control, IoT edge, automotive, and industrial sectors. It represents NXP's latest power-optimized processors, integrating scalable Arm cores with advanced security and multimedia features. The family is designed to bridge the gap between high-performance computing and energy-efficient edge deployment.

Replacement Considerations

MIMX9322CVXXMAC

FAQ

Does the MIMX9322CVXXMAB include a Neural Processing Unit?

Yes, it integrates an Arm Ethos-U65 microNPU designed to accelerate machine learning inference workloads.

What is the maximum operating frequency of the Cortex-A55 cores?

The dual-core Arm Cortex-A55 platform operates at speeds up to 1.7 GHz.