MCIMX251AJM4AR2

The MCIMX251AJM4AR2 is an NXP i.MX25 series microprocessor built around a single ARM926EJ‑S 32‑bit core running at 400 MHz. It is a surface‑mount MPU in a 400‑LFBGA (17×17) package designed for embedded and industrial applications that require integrated interfaces and on‑chip security.

With multi‑standard memory controller support, industry‑grade temperature qualification, and a broad set of peripheral interfaces, this device targets IoT and industrial embedded designs that need balanced processing, connectivity and hardware security features.

Key Features

• Core ARM926EJ‑S single core, 32‑bit, 400 MHz processing engine suitable for control and embedded application software.
• Memory Controllers Integrated controllers for LPDDR, DDR and DDR2 memory types to support a range of system memory configurations.
• Connectivity On‑chip 10/100 Mbps Ethernet (1), USB 2.0 with PHY (2), and CAN interface options for wired networking and peripheral connectivity.
• Display / HMI Display interface controllers include keypad support for human‑machine interface implementations.
• Security Hardware security features including boot security, cryptography, secure fusebox, secure JTAG, secure memory and tamper detection to help protect system integrity.
• Graphics No graphics acceleration (software or external graphics processing required for GUIs).
• Package & Mounting 400‑LFBGA (17×17) package, surface mount format for compact system integration.
• Operating Range Industrial temperature qualified with an operating range of −40 °C to 85 °C.
• Compliance RoHS compliant.

Typical Applications

• Industrial Embedded Control — Use in control and monitoring nodes where industrial temperature qualification and CAN/Ethernet connectivity are required.
• IoT Edge Devices — Integration into IoT gateways and edge appliances leveraging Ethernet and USB interfaces plus on‑chip security.
• Human‑Machine Interfaces — Keypad‑driven HMI designs that require a compact BGA package and modest processing performance.
• Networked Peripherals — USB‑enabled peripheral controllers and networked modules utilizing the device’s USB and Ethernet support.

Unique Advantages

• Balanced processing at 400 MHz — Provides deterministic, single‑core performance for control and embedded workloads without unnecessary complexity.
• Flexible memory support — LPDDR, DDR and DDR2 controller compatibility allows designers to choose memory options that match cost and performance targets.
• Comprehensive wired connectivity — Integrated Ethernet, USB 2.0 with PHY and CAN reduce external component count for networked designs.
• Built‑in hardware security — Multiple on‑chip security mechanisms (boot security, cryptography, secure JTAG/memory/fusebox, tamper detection) help protect firmware and system assets.
• Industrial temperature qualification — −40 °C to 85 °C rating supports deployment in temperature‑sensitive industrial environments.
• Compact BGA package — 400‑LFBGA (17×17) enables high I/O density in space‑constrained embedded systems.

Why Choose MCIMX251AJM4AR2?

The MCIMX251AJM4AR2 delivers a straightforward, industrially qualified embedded processing solution with a single ARM926EJ‑S core at 400 MHz, broad memory controller support, and an extensive set of wired interfaces. Its on‑chip security features and industrial temperature rating make it suited for designs that require reliable operation and protection of firmware and data.

This device is a fit for engineers building IoT edge nodes, industrial controllers, HMI units and networked peripherals who need a compact BGA footprint, integrated connectivity (Ethernet, USB, CAN) and hardware security while maintaining a predictable single‑core architecture.

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