ATSAMA5D21A-CUR

The ATSAMA5D21A-CUR is an industrial-grade ARM® Cortex®-A5 microprocessor IC from Microchip Technology's SAMA5D2 series. It delivers a single 32-bit core running at 500 MHz with integrated multimedia co-processing (NEON™ MPE) and graphics acceleration for embedded designs requiring responsive control and user interfaces.

Designed for embedded applications, the device combines connectivity (10/100 Mbps Ethernet, USB 2.0 + HSIC, I2C), flexible memory controller support, display interface controllers and a comprehensive set of security features to address system integration, reliability and secure boot requirements across industrial environments.

Key Features

• Core  ARM® Cortex®-A5 single 32-bit core at 500 MHz providing deterministic application processing for embedded tasks.
• Memory Support  Built-in memory controllers for LPDDR1/LPDDR2/LPDDR3, DDR2, DDR3, DDR3L and QSPI to support a range of DRAM and flash configurations.
• Connectivity  Integrated 10/100 Mbps Ethernet (1 port), USB 2.0 with HSIC and I2C for common wired and peripheral interfaces.
• Display & Graphics  Display interface controllers support keyboard, LCD and touchscreen interfaces alongside graphics acceleration for responsive HMIs.
• Security  Hardware security features including ARM TZ, Boot Security, Cryptography, RTIC, Secure Fusebox, Secure JTAG, Secure Memory and Secure RTC to support protected boot and runtime trust domains.
• Power & I/O  3.3 V I/O signaling simplifies interfacing with common industrial peripherals.
• Package & Mounting  196-TFBGA (11×11) CSBGA package designed for surface-mount assembly, providing a compact footprint for board-level integration.
• Operating Range  Industrial temperature rating from −40 °C to 85 °C for deployment in temperature-challenging environments.

Typical Applications

• Human–Machine Interfaces (HMI)  Use the LCD, touchscreen and keyboard controllers with graphics acceleration to implement responsive operator panels and control displays.
• Industrial Control  Leverage the Cortex‑A5 core, industrial temperature range and robust I/O to run embedded control firmware and manage sensors and actuators.
• Networked Embedded Devices  Built-in 10/100 Mbps Ethernet and USB 2.0 + HSIC enable connectivity for gateways, instrumentation and field devices.
• Secure Embedded Systems  Hardware security features and boot protection support secure firmware provisioning and cryptographic operations for systems requiring trusted execution.

Unique Advantages

• Balanced Processing Performance: 500 MHz ARM® Cortex®‑A5 core with NEON™ MPE multimedia support delivers efficient application and media processing for embedded UIs and control tasks.
• Flexible Memory Interface: Support for LPDDR1/2/3, DDR2/3/3L and QSPI lets designers choose memory types that match system cost, performance and power targets.
• Integrated Connectivity: Ethernet, USB and I2C interfaces reduce external components and simplify system-level integration for networked devices.
• Comprehensive Security Suite: On-chip TrustZone, secure boot, cryptography and secure debug features enable secure system deployment and lifecycle protection.
• Industrial Ready: 196‑TFBGA surface-mount package and −40 °C to 85 °C operating range make the device suitable for harsh embedded environments.
• Graphics & HMI Support: Display controllers and graphics acceleration streamline development of responsive displays and human interface functionality.

Why Choose ATSAMA5D21A-CUR?

The ATSAMA5D21A-CUR positions itself as a compact, industrial-grade MPU that combines a 500 MHz ARM® Cortex®-A5 core with broad memory support, integrated connectivity and a layered hardware security feature set. Its combination of display capabilities, media acceleration and peripheral interfaces makes it a practical choice for embedded designs that require a balance of performance, integration and security.

Backed by Microchip Technology and the SAMA5D2 series architecture, the ATSAMA5D21A-CUR is suitable for developers and OEMs targeting industrial HMIs, secure instrumentation, networked controllers and other embedded applications where temperature range, on-chip security features and flexible memory/connectivity options are key selection criteria.

Request a quote or submit an inquiry to get pricing, availability and lead-time information for the ATSAMA5D21A-CUR. Our team can assist with technical details and procurement support to accelerate your design cycle.