AT91SAM9X35-CU

The AT91SAM9X35-CU is a 32-bit embedded microprocessor based on the ARM926EJ-S core running up to 400 MHz in a 217-ball LFBGA (15×15) package. It targets industrial embedded applications that require refined user interfaces and high-speed communication, combining a high-bandwidth system architecture with a broad set of on-chip peripherals.

This MPU integrates display and touch support, multiple high-speed connectivity options, memory controllers for modern DRAM and NAND, and on-chip analog and DMA resources to simplify system design and maximize throughput.

Key Features

• Core  ARM926EJ-S 32-bit processor core running up to 400 MHz with instruction and data caches and a Memory Management Unit.
• Memory and Boot  On-chip boot ROM (64 Kbytes) and internal SRAM (32 Kbytes). External memory support includes controllers for DDR2, LPDDR, SDR/LPSDR, static memories and an 8-bit NAND controller with up to 24-bit programmable multi-bit ECC.
• Display and Touch  Integrated LCD controller with 4-layer overlay and 2D acceleration features (alpha-blending, scaling, rotation, color conversion) plus a 10-bit ADC that supports 4- or 5-wire resistive touch panels.
• Connectivity  10/100 Mbps Ethernet MAC, two CAN interfaces (2.0A/B compatible), and multiple USB ports including USB High Speed and Full Speed support.
• Storage and Expansion  Dual high-speed SDCard/SDIO/MMC interfaces and dedicated NAND controller for MLC/SLC flash with integrated ECC support.
• DMA and Bus Architecture  Twelve 32-bit AHB bus layers with 2 × 8-channel DMA controllers and additional dedicated DMA channels to enable high-bandwidth transfers with minimal processor overhead.
• System and Power  Integrated clock generator, power management and PLLs (including a USB-optimized PLL) plus low-power modes and backup registers for shutdown and battery-backed operation.
• Analog and Peripherals  10-bit ADC, multiple USARTs, SPIs, I2S, TWI and support for audio/data interfaces as listed in the device documentation.
• Package and Temperature  217-ball LFBGA package (0.8 mm ball pitch, 15×15 mm) and industrial operating temperature range of −40 °C to 85 °C.

Typical Applications

• Human-Machine Interfaces (HMIs)  High-resolution displays with touch control and 2D graphics acceleration for responsive operator panels and control screens.
• Industrial Networking  Gateways and controllers leveraging 10/100 Ethernet and dual CAN interfaces for factory communication and device integration.
• Embedded Storage Controllers  Systems that require NAND flash support with integrated ECC and dual SD/MMC interfaces for local data logging and firmware storage.
• Multimedia and Control Panels  Devices combining audio interfaces, ADC-based sensor inputs and graphical displays for operator consoles and multimedia controllers.

Unique Advantages

• High single-core performance: 400 MHz ARM926EJ-S core provides deterministic processing capacity for embedded control and UI tasks.
• Integrated display and touch support: On-chip LCD controller with overlay and 2D acceleration simplifies graphics implementations and reduces external component count.
• Comprehensive memory support: Built-in controllers for DDR2/LPDDR/SDR and an MLC/SLC NAND controller with programmable ECC streamline high-capacity memory designs.
• Robust connectivity: Native Ethernet, multiple USB ports, dual SD/MMC and CAN interfaces deliver flexible I/O and networking options for industrial systems.
• Efficient data movement: Multi-layer AHB matrix and multi-channel DMA controllers enable sustained high-bandwidth transfers with low CPU overhead.
• Industrial readiness: Specified operating range from −40 °C to 85 °C and a compact 217-LFBGA package suitable for surface-mount assembly.

Why Choose AT91SAM9X35-CU?

The AT91SAM9X35-CU pairs a proven ARM926EJ-S core at up to 400 MHz with an extensive set of on-chip peripherals and memory interfaces to address demanding industrial embedded designs. Its combination of display acceleration, multi-protocol connectivity and robust memory controllers makes it suitable for designs that require refined user interfaces, reliable data handling and high-speed communications.

This MPU is well suited for engineers and product teams building industrial HMIs, communication gateways, storage-equipped controllers and other embedded systems that benefit from a high-integration processor with comprehensive peripheral support and industrial temperature capability.

Request a quote or submit an inquiry to receive pricing, lead-time and availability information for the AT91SAM9X35-CU. Our team can assist with volume pricing and delivery options to support your project schedule.