ATSAMA5D28A-CU

The ATSAMA5D28A-CU is a single-core ARM® Cortex®-A5 microprocessor IC operating at 500 MHz in a 289-LFBGA (14×14) package. Targeted at embedded and industrial applications, it combines a 32-bit core with integrated multimedia and security capabilities to support compact, secure system designs.

With support for multiple memory types, integrated display controllers and network interfaces, this MPU is suited for designs that require balanced compute performance, peripheral integration, and industrial temperature operation.

Key Features

• Core  ARM® Cortex®-A5 single 32-bit core at 500 MHz, providing deterministic embedded compute performance.
• Multimedia Acceleration  Includes multimedia co-processors and NEON™ MPE support for enhanced media and signal processing tasks.
• Memory Support  Flexible memory controller support for LPDDR1, LPDDR2, LPDDR3, DDR2, DDR3, DDR3L and QSPI to match a range of system memory requirements.
• Display and HMI  Integrated display interface controllers for keyboard, LCD and touchscreen enable direct support for human‑machine interface designs.
• Connectivity  On-chip 10/100 Mbps Ethernet (1) plus USB 2.0 and HSIC support for wired networking and peripheral connectivity; additional interfaces include I2C.
• Security  Comprehensive security features including ARM TrustZone (TZ), boot security, cryptography, RTIC, secure fusebox, secure JTAG, secure memory and a secure RTC.
• Package and Mounting  289-LFBGA package (14×14) designed for surface-mount assembly, helping minimize PCB footprint.
• Industrial Grade Operation  Rated for operation from −40°C to 85°C, suitable for industrial temperature environments.
• Power  I/O voltage specified at 3.3 V for system compatibility with standard embedded power rails.

Typical Applications

• Industrial Control and Automation  Provides deterministic compute and industrial temperature range for controllers and embedded automation nodes.
• Human‑Machine Interfaces (HMI)  Built‑in LCD, touchscreen and keyboard controllers with graphics acceleration enable responsive operator displays and control panels.
• Networked Embedded Devices  Integrated Ethernet and USB connectivity make it suitable for networked appliances, gateways and peripheral controllers.
• Secure Embedded Systems  On‑chip security features support secure booting and encrypted storage for applications requiring protected execution and data.

Unique Advantages

• Integrated Security Stack: Extensive hardware security features reduce the need for external secure elements and simplify secure system implementation.
• Flexible Memory Options: Support for a wide range of DDR and LPDDR types plus QSPI enables scalable memory configurations across product tiers.
• Compact BGA Package: 289‑LFBGA (14×14) packaging minimizes PCB area while keeping required interfaces on‑chip for denser designs.
• Industrial Temperature Rating: −40°C to 85°C operation supports deployment in harsh and industrial environments.
• Multimedia and DSP Support: NEON™ MPE and multimedia coprocessors accelerate media and signal processing tasks without adding external accelerators.
• Broad Peripheral Integration: Ethernet, USB 2.0 + HSIC and I2C reduce BOM and simplify board-level integration for connected products.

Why Choose ATSAMA5D28A-CU?

The ATSAMA5D28A-CU delivers a balanced combination of single‑core ARM® Cortex®‑A5 performance, comprehensive security, and broad peripheral support in a compact 289‑LFBGA package. Its flexible memory controller options and integrated display and connectivity interfaces make it well suited for embedded industrial and HMI applications that require secure operation and compact system design.

Manufactured by Microchip Technology and rated for industrial temperatures, this MPU is appropriate for engineers seeking a secure, integrated platform to streamline hardware design, reduce external component count, and accelerate time to market.

Request a quote today to discuss pricing and availability for the ATSAMA5D28A-CU and how it can fit your next embedded design.