ATSAMA5D33A-CU

The ATSAMA5D33A-CU is an embedded microprocessor (MPU) based on the ARM® Cortex®-A5 architecture delivering up to 536 MHz in a single 32-bit core. It combines a floating point unit, integrated memory controllers, and a broad set of connectivity and security peripherals in a compact 324-LFBGA (15×15) package.

Targeted for industrial and consumer embedded designs, the device is optimized for user interfaces, connected applications and low-power operation—providing high data bandwidth, on-chip security engines and peripheral integration for robust system designs.

Key Features

• Core & CPU ARM® Cortex®-A5 processor with ARM v7-A/Thumb-2 instruction set, single-core 32-bit operation and CPU frequency up to 536 MHz. Includes a floating point unit (VFPv4), MMU and 32 KB instruction / 32 KB data caches for accelerated compute and OS support.
• Memory & Boot High-bandwidth 32-bit multi-port DRAM controller supporting DDR2 / LPDDR / LPDDR2. Independent static memory controller with support for SLC/MLC NAND and up to 24-bit ECC. Embedded boot loader with selectable boot from 8-bit NAND Flash, SDCard, eMMC or serial DataFlash.
• Connectivity Integrated networking and peripheral interfaces including Gigabit EMAC (10/100/1000 Mbps), additional 10/100 EMAC option, three USB 2.0 ports, I2C, SPI, UART and multiple CAN interfaces for diverse I/O and network topologies.
• Display & Imaging On-chip LCD controller with hardware overlay support and a touchscreen interface plus a CMOS sensor interface for embedded HMI and imaging applications.
• Security Hardware acceleration for AES, SHA and TDES, a true random number generator (TRNG) and secure boot capabilities for code protection and secure external data transfers. Programmable fuse box with 256 fuse bits (192 available for customer use).
• System Architecture & DMA Multi-layer bus architecture with 39 DMA channels, including two 8-channel 64-bit central DMA controllers and a 64-bit advanced interrupt controller to sustain high data throughput to peripherals.
• Power & Clocking Designed for low-power operation with power consumption below 0.5 mW in low-power mode, integrated clock generator and power management features, internal RC oscillators and dedicated PLLs (system PLL and USB-optimized PLL).
• Package, Mounting & Temperature 324-LFBGA (15×15) surface-mount package rated for industrial operation with an operating temperature range of −40 °C to 85 °C.

Typical Applications

• Industrial HMI & Control Panels — Drives graphical displays, touchscreen interfaces and local connectivity for control panels and operator interfaces.
• Networked Gateways & Routers — Provides Gigabit Ethernet, multiple serial buses and USB connectivity for robust networked edge devices and protocol bridging.
• Secure Embedded Systems — Hardware encryption engines, TRNG and secure boot support secure firmware and data storage for connected products.
• Battery-Powered Consumer Devices — Low-power modes and integrated power management make it suitable for portable or battery-operated applications that require rich connectivity and UI.

Unique Advantages

• Highly integrated connectivity: Gigabit EMAC, three USB 2.0 ports and multiple serial interfaces reduce external components and simplify board design.
• Built-in security engines: AES, SHA, TDES and TRNG plus secure boot and programmable fuses enable strong device authentication and secure data handling.
• Flexible memory support: DRAM controller for DDR2/LPDDR/LPDDR2 and NAND support with up to 24-bit ECC enables scalable memory configurations and reliable storage options.
• High-throughput system architecture: Multi-layer bus and 39 DMA channels maintain data bandwidth between CPU and high-speed peripherals for demanding I/O scenarios.
• Low-power capability: Sub-milliwatt low-power mode and integrated power management preserve battery life in portable applications.
• Industrial-grade robustness: Surface-mount 324-LFBGA package and −40 °C to 85 °C operating range support deployment in industrial environments.

Why Choose ATSAMA5D33A-CU?

The ATSAMA5D33A-CU positions itself as a compact, connectivity-rich MPU that balances compute performance with integrated peripherals and hardware security. Its ARM® Cortex®-A5 core, floating point support and high-bandwidth system architecture make it suitable for embedded designs that require a responsive user interface, extensive I/O and secure communications.

Designed for industrial and consumer embedded systems, the device is appropriate for engineers seeking a single-chip solution that reduces BOM complexity while providing flexible memory options, robust networking and power-conscious operation. Backed by Microchip Technology’s product documentation and feature set, this MPU is aimed at projects where integration, security and predictable thermal performance are important.

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