ATSAMA5D35A-CU

The ATSAMA5D35A-CU is an ARM® Cortex®-A5 based microprocessor designed for industrial embedded applications. It implements a single 32-bit core running at up to 536 MHz and integrates a floating point unit and a high-bandwidth multi-layer bus architecture for efficient data processing.

Targeted at control panels, human-machine interfaces and connectivity-rich embedded systems, the device combines performance, low-power operation and comprehensive peripheral integration including memory controllers, multiple Ethernet interfaces, USB ports and hardware security engines.

Key Features

• Core ARM® Cortex®-A5 processor, single 32‑bit core running up to 536 MHz with an integrated floating point unit and MMU for high-precision computing and virtual memory support.
• Memory Supports DDR2, LPDDR and LPDDR2 via a high-bandwidth 32-bit multi-port dynamic RAM controller; internal ROM and SRAM for boot and runtime use; MLC NAND support with up to 24-bit ECC.
• Connectivity Integrated Gigabit Ethernet MAC with IEEE1588 support plus 10/100 EMAC capability, three USB 2.0 ports, and additional CAN, UART, SPI and I²C interfaces for broad system connectivity.
• Security Hardware-accelerated encryption and hashing engines including AES, TDES and SHA, plus a True Random Number Generator (TRNG) and secure boot support for code protection and secure data transfers.
• Peripherals & UI LCD controller with overlay support, touchscreen interface and CMOS sensor interface suitable for rich user interfaces and imaging applications.
• System Architecture & DMA Multi-layer bus with 39 DMA channels and two 8-channel 64-bit central DMA controllers to sustain high peripheral and memory bandwidth demands.
• Low Power & Power Management Multiple low-power modes and power management features including shutdown controller and slow-clock modes to reduce consumption in battery-powered designs.
• Package & Temperature 324‑LFBGA (15 × 15 mm) surface-mount package, industrial-grade operation across −40 °C to 85 °C.

Typical Applications

• Industrial HMI / Control Panels — Drives graphical user interfaces and touchscreen control with integrated LCD and touchscreen interfaces.
• Industrial Networking & Gateways — Provides Gigabit Ethernet with IEEE1588 and multiple serial and CAN interfaces for protocol bridging and synchronized networking.
• Battery-Powered Embedded Devices — Low-power modes and power management features make it suitable for portable and battery-operated systems.
• Imaging and Sensor Interfaces — CMOS sensor interface and high-bandwidth memory support enable sensor data capture and processing.

Unique Advantages

• Integrated Processing and FPU: Single-core Cortex‑A5 with floating point unit delivers deterministic compute and precise numeric processing without external accelerators.
• Broad Memory Support: Native controllers for DDR2/LPDDR/LPDDR2 and NAND with ECC simplify memory selection and system integration.
• Rich Connectivity: Gigabit Ethernet, three USB 2.0 ports and multiple serial/CAN interfaces reduce the need for external bridge chips.
• Hardware Security: On-chip AES, TDES, SHA and TRNG engines plus secure boot help protect code and data at the hardware level.
• High I/O Bandwidth: Multi-layer bus and 39 DMA channels sustain simultaneous high-speed peripheral and memory transfers for responsive systems.
• Industrial Ready: Industrial-grade temperature range and a compact 324‑LFBGA surface-mount package suited for robust embedded deployments.

Why Choose ATSAMA5D35A-CU?

The ATSAMA5D35A-CU balances embedded processing performance with extensive peripheral integration and hardware security, making it a practical choice for designers building industrial HMIs, networked gateways and power-conscious embedded systems. Its combination of a Cortex‑A5 core, floating point support, high-bandwidth memory controllers and multi-protocol connectivity enables compact, reliable designs with reduced external component count.

For teams seeking a proven MPU foundation in industrial environments, this device offers scalability, integrated security primitives and vendor-backed architecture suitable for long-term designs requiring robust connectivity and interface flexibility.

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