AT91SAM9XE512B-CU

The AT91SAM9XE512B-CU is a single-core 32-bit microprocessor IC based on the ARM926EJ-S core running at 180 MHz. It combines an ARM926EJ-S processor with integrated flash, SRAM/ROM, and a broad set of peripherals tailored for industrial embedded systems.

Designed for embedded control, HMI and networking applications, the device delivers system-level integration including memory controllers, display interfaces, USB and Ethernet connectivity to simplify board design and accelerate time to market.

Key Features

• Core and Performance ARM926EJ-S core, single 32-bit core running at 180 MHz with MMU, instruction and data caches, DSP instruction extensions and Jazelle technology as documented for the SAM9XE series.
• On-chip Memory Integrated memories for the SAM9XE512 variant: 32 KB internal ROM, 32 KB internal SRAM and 512 KB internal high-speed flash for code and data storage.
• Flash Controller & External Memory Enhanced Embedded Flash Controller (EEFC) and External Bus Interface (EBI) supporting SDRAM, static memories and NAND flash for flexible memory architectures.
• Display and Sensor Interfaces Integrated LCD and touchscreen controllers and an Image Sensor Interface (ISI) for camera/frame capture and display-driven user interfaces.
• Connectivity Built-in Ethernet MAC supporting 10/100 Mbps and USB 2.0 support (device and host functionality included in the series) for networked and USB-enabled systems.
• Peripheral Set Multiple serial and system peripherals including UARTs, SPI, TWI, synchronous serial controller, timer/counters, ADC and a MultiMedia/SD Card interface for broad I/O needs.
• System Reliability Integrated reset controller, brownout detector and watchdog timer functionality to support reliable operation in embedded applications.
• Package and Temperature Range 217-ball LFBGA package (15 × 15 mm) in a surface-mount form factor and rated for industrial operation from −40 °C to 85 °C.
• Industrial Grade Specified as an industrial-grade device suitable for embedded control and industrial applications.
• Standards and Lifetime Internal flash characteristics from the SAM9XE series include page-programming, erase timing and data retention characteristics defined for on-chip nonvolatile storage.

Typical Applications

• Industrial Automation — Control and data acquisition systems leveraging integrated Ethernet, timers and ADCs for process and machine control tasks.
• Human-Machine Interfaces (HMI) — Touchscreen and LCD-equipped operator panels with local flash storage and display controller support.
• Networked Embedded Gateways — 10/100 Mbps Ethernet and USB host/device capabilities for protocol bridging, edge gateways and remote monitoring nodes.
• Multimedia and Image Capture — Image Sensor Interface (ISI) and SD/MultiMedia card interface for camera capture, logging and local storage in imaging applications.

Unique Advantages

• Integrated Processing and Memory: Single-package ARM926EJ-S core with internal ROM, SRAM and 512 KB high-speed flash reduces external memory dependencies and simplifies BOM.
• Flexible Memory Subsystem: EEFC plus EBI support for SDRAM and NAND/compact flash enables scalable memory configurations for performance or capacity-focused designs.
• Broad Peripheral Integration: On-chip Ethernet, USB host/device, serial interfaces and display controllers consolidate common system interfaces and lower board complexity.
• Designed for Industrial Use: Industrial temperature range (−40 °C to 85 °C) and system monitoring features such as brownout detection and watchdog support robust deployments.
• Developer-Friendly Architecture: Caches, MMU and debug features from the ARM926EJ-S core help optimize application performance and facilitate software development and debugging.
• Compact Surface-Mount Package: 217-LFBGA (15 × 15 mm) package provides a compact footprint for space-constrained embedded designs.

Why Choose AT91SAM9XE512B-CU?

The AT91SAM9XE512B-CU positions itself as a highly integrated industrial microprocessor solution that balances application-level performance with on-chip memory and extensive peripheral integration. Its ARM926EJ-S core, internal flash and SRAM, and broad I/O including Ethernet, USB and display interfaces make it suited to embedded designs that require network connectivity, user interfaces and local storage.

Backed by Microchip Technology’s SAM9XE series documentation and feature set, this device is appropriate for teams building industrial controllers, HMIs, networked gateways and imaging-enabled products that need a compact, surface-mount MPU with proven embedded peripherals.

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