ATSAMA5D28B-CUR

The ATSAMA5D28B-CUR is a single-core ARM® Cortex®-A5 microprocessor IC running at up to 500 MHz in a 289-LFBGA (14×14) package. It targets embedded applications that require a balance of processing performance, integrated connectivity and advanced security for industrial-grade operating environments.

Designed for user interfaces, connectivity and secure edge processing, the device combines a 32-bit Cortex‑A5 core with multimedia acceleration, broad memory interface support and hardware security features to simplify system design and deployment.

Key Features

• CPU Core  ARM® Cortex®-A5, 32‑bit single core operating up to 500 MHz with NEON™ Media Processing Engine and ETM/ETB support.
• Memory Architecture  Supports DDR2/DDR3/DDR3L, LPDDR1/LPDDR2/LPDDR3 and QSPI Flash via integrated memory controllers; includes a 32 KB L1 data cache, 32 KB L1 instruction cache and a configurable 128 KB L2 cache.
• On‑chip SRAM and ROM  Includes internal scrambled SRAM and internal ROM for boot code with additional scrambled and unscrambled ROM regions as described in the product datasheet.
• Security and Cryptography  ARM TrustZone®, boot security, secure fusebox, secure JTAG, secure memory, secure RTC and on‑chip crypto engines (AES, SHA, TRNG) for hardware‑assisted secure boot and data protection.
• Connectivity and Peripherals  Integrated 10/100 Mbps Ethernet MAC, USB 2.0 with HSIC, I2C, multiple serial and audio controllers, plus display controllers for keyboard, LCD and touchscreen interfaces.
• Multimedia and Imaging  LCD TFT controller supporting up to 1024×768 with overlays, rotation and alpha blending, plus an Image Sensor Controller supporting up to 5 MP sensors.
• Low‑Power and System Management  Multiple low‑power modes including Ultra Low‑Power and Backup modes, RTC with clock calibration, watchdog and reset controllers for robust power management.
• Industrial Temperature and Packaging  Industrial grade operation from −40 °C to 105 °C in a 289‑LFBGA (14×14) surface‑mount package; 3.3 V I/O.

Typical Applications

• Industrial HMI and Control  Driving TFT LCDs, touchscreens and keyboards for human‑machine interfaces with integrated display and touchscreen controllers.
• Embedded Networking and Gateways  10/100 Mbps Ethernet and USB 2.0 connectivity combined with hardware security make it suitable for networked embedded appliances and secure gateway devices.
• Imaging and Vision Systems  Image Sensor Controller support for up to 5 MP sensors enables camera interfaces and image capture applications.
• Audio and Multimedia Devices  Multimedia acceleration, audio interfaces (I2S/PDM/SSC) and graphics support for media playback and interactive user interfaces.
• Industrial Embedded Systems  Industrial temperature rating and comprehensive system timers/DMAs make it appropriate for rugged embedded controllers and instrumentation.

Unique Advantages

• Balanced performance and efficiency: Single Cortex‑A5 core at up to 500 MHz with NEON™ MPE provides multimedia acceleration without excessive power consumption.
• Broad memory support: Native controllers for DDR2/DDR3/DDR3L, LPDDR variants and QSPI simplify board-level memory choices and speed time-to-market.
• Integrated security stack: Hardware TrustZone, secure boot, crypto engines and secure storage reduce external security component requirements and streamline secure design.
• Rich peripheral set: Built‑in Ethernet, USB, display, image sensor and audio interfaces reduce BOM and integration effort for connected multimedia products.
• Industrial robustness: −40 °C to 105 °C operating range and surface‑mount LFBGA package suited for industrial environments.
• Software resources included: Delivered with free Linux distribution and bare‑metal C examples as noted in the product documentation to accelerate development.

Why Choose ATSAMA5D28B-CUR?

The ATSAMA5D28B-CUR positions itself as a highly integrated solution for embedded designs requiring multimedia, secure connectivity and industrial reliability. Its Cortex‑A5 core, extensive memory interface options and on‑chip security features allow engineers to build compact, secure systems with fewer external components.

This part is suited to designers of HMIs, secure gateways, imaging devices and industrial controllers who need a combination of display, camera, audio and network interfaces alongside hardware security and wide temperature operation. The included software examples and Linux distribution support help shorten prototype and deployment cycles.

Request a quote or submit a pricing request for the ATSAMA5D28B-CUR to get availability and lead-time details for your design planning.