ATSAMA5D34A-CUR

The ATSAMA5D34A-CUR is an industrial-grade embedded microprocessor based on the ARM® Cortex®-A5 architecture, delivering a single 32-bit core at up to 536 MHz. It integrates a floating point unit, memory controllers for LPDDR/LPDDR2/DDR2, advanced connectivity and security engines to address control-panel/HMI, industrial connectivity and battery-powered device applications.

Designed for high data bandwidth and low-power operation, the device pairs a multi-layer bus and numerous DMA channels with peripherals such as Gigabit Ethernet, multiple USB 2.0 ports and CAN, plus display and touchscreen support—providing a compact, surface-mount solution in a 324-LFBGA (15×15) package rated for –40°C to 85°C.

Key Features

• Core and Performance  ARM® Cortex®-A5 single core at up to 536 MHz with integrated Floating Point Unit (VFPv4), 32 KB instruction and 32 KB data caches, and a fully integrated MMU for robust application execution.
• Memory Subsystem  High-bandwidth 32-bit multi-port dynamic RAM controller supporting LPDDR, LPDDR2 and DDR2; internal on-chip memory includes a 160 KB internal ROM and 128 KB internal SRAM.
• Storage and ECC  Independent static memory controller with support for SLC/MLC NAND Flash and up to 24-bit ECC for reliable external storage.
• Connectivity  Gigabit Ethernet (with IEEE 1588) plus 10/100 Ethernet, three USB 2.0 ports and CAN interface(s) for broad wired connectivity options.
• Display and Sensor Interfaces  Integrated LCD controller with overlays, touchscreen interface and a CMOS sensor interface to support rich user interfaces and camera inputs.
• Security  Hardware-accelerated cryptography including AES, SHA and TDES plus a TRNG and a secure boot mechanism to protect code and external data transfers.
• System Architecture and DMA  Internal multi-layer bus architecture with 39 DMA channels and 64-bit advanced interrupt controller to sustain high peripheral throughput.
• Low-Power and Clocking  Low-power design with multiple oscillators and PLLs (including a PLL optimized for USB High Speed) to balance performance and power consumption.
• Package and Environmental  324-LFBGA (15×15) surface-mount package, RoHS compliant, rated for industrial operating temperature from –40°C to 85°C.

Typical Applications

• Control Panels / HMI  Drives rich graphical interfaces and touchscreen control for industrial operator panels and human-machine interfaces.
• Industrial Connectivity  Acts as a networked controller with Gigabit and 10/100 Ethernet, multiple USB ports and CAN for factory automation and remote instrumentation.
• Battery-Powered Devices  Low-power modes and efficient architecture make it suitable for battery-operated embedded systems requiring floating point compute.
• Secure Embedded Systems  Hardware cryptography and secure boot support make it suitable for applications requiring code protection and secure external data transfers.

Unique Advantages

• High compute density: Single-core ARM® Cortex®-A5 at 536 MHz with FPU and caches enables responsive application performance in a compact package.
• Broad memory support: Native controllers for LPDDR/LPDDR2/DDR2 and NAND with ECC simplify memory subsystem design choices.
• Comprehensive connectivity: Integrated Gigabit Ethernet, USB 2.0 ports and CAN reduce external interface components and simplify board layout.
• Hardware security primitives: AES, SHA, TDES and TRNG plus secure boot support help protect firmware and data without external security accelerators.
• High-throughput I/O: Multi-layer bus with 39 DMA channels and advanced interrupt controller sustains concurrent high-speed peripheral activity.
• Industrial temperature and packaging: 324-LFBGA surface-mount package rated for –40°C to 85°C supports robust deployment in industrial environments.

Why Choose ATSAMA5D34A-CUR?

The ATSAMA5D34A-CUR combines the ARM® Cortex®-A5 processing core and floating point capability with a high-bandwidth system architecture and extensive peripheral set to deliver a balanced solution for embedded designs that require compute, connectivity and security. Its integrated memory controllers, secure boot and hardware crypto engines help reduce BOM complexity while supporting robust, connected applications.

This MPU is well suited for designers targeting industrial HMIs, connected instrumentation and low-power embedded systems that need scalable performance, integrated interfaces and proven silicon-level security features, all in a RoHS-compliant 324-LFBGA package rated for industrial temperatures.

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