MCIMX255AJM4

The MCIMX255AJM4 is a single‑core, 32‑bit microprocessor based on the ARM926EJ‑S core running at 400 MHz. It targets embedded and industrial applications that require a compact, integrated processing element with on‑chip memory controllers, peripheral interfaces and hardware security features.

Built with LPDDR/DDR/DDR2 memory controller support, 10/100 Mbps Ethernet, dual USB 2.0 + PHY ports and display interface controllers for keypad, LCD and touchscreen, this device is offered in a 400‑LFBGA (17×17) surface‑mount package and qualified for industrial temperature operation from −40 °C to 85 °C.

Key Features

• CPU Core ARM926EJ‑S single core, 32‑bit processor running at 400 MHz for deterministic embedded processing.
• Memory Controllers On‑chip controllers for LPDDR, DDR and DDR2 memory types to support a range of external memory configurations.
• Connectivity Integrated 10/100 Mbps Ethernet (1) plus two USB 2.0 ports with PHY for wired networking and host/device USB connectivity.
• Display and HMI Interfaces Controllers for keypad, LCD and touchscreen interfaces to support human‑machine interface designs.
• Industrial Qualification & Temperature Range Specified for industrial use with an operating temperature range of −40 °C to 85 °C.
• Security Features Boot security, cryptography, secure fusebox, secure JTAG, secure memory and tamper detection provide multiple hardware security mechanisms.
• Package & Mounting 400‑LFBGA (17×17) supplier device package, surface‑mount, shipped in tray format.

Typical Applications

• Industrial Control — Use as a deterministic processing node in industrial control equipment where extended temperature range and industrial qualification are required.
• Human‑Machine Interfaces (HMI) — Drive keypad, LCD and touchscreen interfaces for operator panels and embedded displays.
• Networked Embedded Devices — Integrate 10/100 Mbps Ethernet and USB 2.0 connectivity for networked sensors, gateways or instrumentation.
• Secure Embedded Systems — Deploy hardware security features such as secure boot and cryptography for devices requiring authenticated boot and protected storage.

Unique Advantages

• Integrated Memory Support: On‑chip controllers for LPDDR, DDR and DDR2 enable flexible memory choices for varied performance and cost targets.
• Built‑in Connectivity: Ethernet and dual USB 2.0 + PHY ports simplify system design for networked and USB‑enabled devices.
• Hardware Security Suite: Multiple security features including boot security, cryptography and secure JTAG help protect device integrity and firmware confidentiality.
• Industrial‑Grade Operation: Qualification for industrial environments and an operating range of −40 °C to 85 °C support deployment in harsh conditions.
• Compact Surface‑Mount Package: 400‑LFBGA (17×17) packaging provides a compact footprint for space‑constrained boards.
• Single‑Core Determinism: A dedicated ARM926EJ‑S core at 400 MHz offers predictable single‑threaded performance for embedded control tasks.

Why Choose MCIMX255AJM4?

The MCIMX255AJM4 combines a 400 MHz ARM926EJ‑S core with integrated memory controllers, wired connectivity and a robust set of hardware security features in a compact 400‑LFBGA package. Its industrial qualification and −40 °C to 85 °C operating range make it suitable for embedded systems that require reliable operation in demanding environments.

This part is well suited to designers seeking a balanced, integrated microprocessor for control, HMI and networked embedded applications where on‑chip peripherals and security features reduce external component needs and simplify system integration.

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