MCIMX251AVM4

The MCIMX251AVM4 is a single‑core ARM926EJ-S microprocessor from NXP Semiconductors operating at 400 MHz in a 400‑LFBGA (17×17) package. It is designed for embedded applications that require a compact, surface‑mount MPU with integrated connectivity and security capabilities.

With a 32‑bit ARM926EJ‑S core and support for multiple external memory types, this device targets embedded control, networked peripherals, and secure system implementations where integration and predictable performance are important.

Key Features

• Core and Performance  ARM926EJ‑S 32‑bit core running at 400 MHz, providing predictable single‑core processing for control and application tasks.
• Memory Controller Support  Integrated controllers supporting LPDDR, DDR and DDR2 memory types for flexible external memory configurations.
• Connectivity  Integrated 10/100 Mbps Ethernet (1) plus USB 2.0 with PHY (2) to enable network and peripheral connectivity without additional host controllers.
• Display and UI  Display interface support includes keypad controller functionality for direct user‑interface integration.
• Security Features  On‑device security capabilities including Boot Security, Cryptography, Secure Fusebox, Secure JTAG, Secure Memory and Tamper Detection to help protect firmware and system data.
• Package and Mounting  Supplied in a 400‑LFBGA (17×17) surface‑mount package and shipped in tray packaging suitable for automated assembly.
• Graphics Acceleration  No dedicated graphics acceleration, allowing deterministic CPU usage for control and communications tasks.

Typical Applications

• Embedded control systems  Single‑core 32‑bit processing for deterministic control tasks and on‑device security.
• Networked devices  Built‑in 10/100 Mbps Ethernet and dual USB 2.0 with PHY for connected peripherals and local network interfaces.
• User interface controllers  Keypad interface support and flexible memory options for managing human‑machine interfaces and local storage.
• Secure IoT and industrial nodes  Integrated cryptography and secure boot features to protect device identity and firmware integrity in embedded deployments.

Unique Advantages

• Integrated security suite: Boot Security, Cryptography, Secure Fusebox, Secure JTAG, Secure Memory and Tamper Detection reduce the need for external security components and simplify secure system design.
• Flexible memory support: Support for LPDDR, DDR and DDR2 provides options for balancing performance, cost and power in a variety of board architectures.
• Onboard connectivity: Native Ethernet and USB 2.0 with PHY streamline connectivity and lower BOM count for networked and peripheral‑rich applications.
• Compact LFBGA package: 400‑LFBGA (17×17) surface‑mount package supports high‑density board layouts while remaining compatible with automated assembly processes.
• Deterministic single‑core performance: The 400 MHz ARM926EJ‑S core provides consistent processing throughput for control, communications and real‑time tasks.

Why Choose MCIMX251AVM4?

The MCIMX251AVM4 combines a 400 MHz ARM926EJ‑S core with multi‑type memory controller support, integrated Ethernet and USB connectivity, and a comprehensive set of on‑chip security features in a compact 400‑LFBGA package. This combination makes it well suited to embedded designs that require a balance of compute, connectivity and device‑level security.

Backed by NXP Semiconductors, the MCIMX251AVM4 is a practical choice for engineers designing embedded systems, networked peripheral devices, and secure endpoint nodes that demand a tightly integrated MPU solution with flexible memory options and standard connectivity interfaces.

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