ATSAMA5D31A-CFU

The ATSAMA5D31A-CFU is a single-core ARM® Cortex®-A5 32-bit microprocessor running at up to 536 MHz, offered in a 324-TFBGA (15×15) surface-mount package. Designed for embedded and industrial applications, it combines compute performance with integrated connectivity and hardware security to support user interfaces, connectivity gateways, and battery-powered devices.

This industrial-grade MPU delivers a balance of performance and power efficiency, with on-chip memory resources, flexible external memory support, multiple USB ports and Ethernet connectivity, and hardware cryptography to protect code and data.

Key Features

• Core 
  ARM® Cortex®-A5 single-core processor, 32-bit, up to 536 MHz for application and control processing.
• Floating Point & MMU 
  Includes a floating point unit (VFP) and integrated MMU for high-precision computing and virtual memory support.
• Memory Controllers 
  High-bandwidth 32-bit multi-port DRAM controller with support for LPDDR, LPDDR2 and DDR2; independent static memory controller with NAND support.
• On-chip Memory 
  Internal ROM and SRAM for boot and runtime tasks (series datasheet details internal ROM and SRAM sizes).
• Connectivity 
  10/100 Mbps Ethernet (1), three USB 2.0 ports and I²C interface for broad peripheral and network connectivity.
• Display & Input 
  Integrated LCD controller and touchscreen support suitable for HMI and control-panel interfaces.
• Security 
  Hardware acceleration for AES, SHA, TDES and a True Random Number Generator (TRNG) to enable secure boot and encrypted data transfers.
• System & DMA 
  Multi-layer bus architecture with numerous DMA channels to sustain high data bandwidth for processor and peripherals (series-level DMA channel count provided in datasheet).
• Power & Low-Power Modes 
  Designed for power efficiency with low-power operating modes suitable for battery-powered designs (series-level power characteristics available in datasheet).
• Package & Temperature Range 
  324-TFBGA surface-mount package (15×15) and industrial operating temperature range −40°C to 85°C.

Typical Applications

• Human–Machine Interfaces (HMI) 
  Drive LCD displays and touchscreen interfaces for control panels and operator displays using the integrated display controller.
• Industrial Control & Gateways 
  Provide protocol handling and connectivity for 10/100 Mbps Ethernet and multiple USB ports in industrial communication nodes and gateways.
• Secure Embedded Systems 
  Enable secure boot and encrypted data transfers with on-chip AES, SHA, TDES engines and TRNG for anti-cloning and code protection.
• Portable & Battery-Powered Devices 
  Leverage low-power modes and efficient processing for handheld products that require long battery life and responsive user interfaces.

Unique Advantages

• Balanced Performance and Efficiency: Single-core Cortex‑A5 at 536 MHz provides application processing power while supporting low-power modes for energy-sensitive designs.
• Integrated Security Engines: On-chip AES, SHA, TDES and TRNG accelerate cryptographic tasks and simplify secure system design.
• Flexible Memory Support: Support for LPDDR, LPDDR2 and DDR2 plus NAND flash interfaces enables scalable memory configurations for multimedia and storage needs.
• Rich Peripheral Set: Multiple USB 2.0 ports, 10/100 Ethernet and I²C connectivity reduce external component count and speed time-to-market.
• Industrial-Grade Robustness: Specified for −40°C to 85°C operation and delivered in a compact 324-TFBGA package suitable for industrial applications.
• High-Bandwidth System Architecture: Multi-layer bus and extensive DMA resources maintain data throughput between processor, memory and peripherals.

Why Choose ATSAMA5D31A-CFU?

The ATSAMA5D31A-CFU positions itself as a capable embedded MPU for designers needing a compact, industrial-grade solution that combines Cortex‑A5 compute performance with integrated security and broad connectivity. Its support for multiple DRAM types, NAND flash, USB and Ethernet makes it suitable for HMI, gateway and secure embedded applications.

With series-level features such as hardware cryptography, floating point support, and a multi-layer bus with DMA, this MPU provides a scalable foundation for products that require reliable operation across temperature extremes and streamlined system integration.

Request a quote or submit an RFQ to receive pricing and availability for the ATSAMA5D31A-CFU and accelerate your design cycle with this integrated embedded MPU.