AT91SAM9G35-CU

The AT91SAM9G35-CU is a 32-bit embedded microprocessor based on the ARM926EJ-S core running at up to 400 MHz. Designed for industrial applications, it delivers a balance of processing performance, high-bandwidth communications and display support for advanced user interfaces.

Typical use cases include building automation, data loggers, point-of-sale terminals, alarm systems and medical equipment where integrated connectivity, robust memory interfaces and industrial temperature operation are required.

Key Features

• Core – ARM926EJ-S single-core processor running at up to 400 MHz with instruction and data caches and an MMU for embedded application needs.
• Memory & Bus – 32-bit external bus interface supporting DDR2/LPDDR, SDRAM/LPSDR and static memories; integrated controllers for DDR2, SDRAM and SRAM and an external bus interface for high-bandwidth memory access.
• NAND & ECC – On-chip MLC/SLC 8-bit NAND controller with programmable multi-bit ECC up to 24 bits for reliable flash storage handling.
• Display & Touch – Advanced LCD controller with 4-layer overlay and 2D acceleration (alpha-blending, scaling, rotation, color conversion) plus a 10-bit ADC that supports 4- or 5-wire resistive touchscreen panels.
• Connectivity – Integrated 10/100 Mbps Ethernet MAC and multiple USB 2.0 interfaces (High Speed device/host and Full Speed host), plus two high-speed SDCard/SDIO/MMC hosts for storage and expansion.
• Peripheral Interfaces – Multiple serial interfaces including USARTs, SPIs, I2S, TWIs and synchronous serial controllers to support a wide range of sensors and external devices.
• DMA & Bus Matrix – High-bandwidth 12-layer AHB bus matrix with two 8-channel DMA controllers and dedicated DMAs for communication peripherals to minimize processor overhead during data transfers.
• System & Timers – Integrated system features include PLLs (one optimized for USB), watchdog, real-time clock, reset controller and programmable external clock signals for system control and timing.
• Low Power & Reliability – Power management with shutdown controller, battery backup registers and selectable low-frequency oscillators for reduced power states.
• Industrial Grade & Packaging – Industrial temperature range of -40 °C to 85 °C and supplied in a 217-ball LFBGA package (15×15 mm, 0.8 mm ball pitch) suitable for surface-mount assembly.

Typical Applications

• Building Automation – Controls and gateways that require ethernet connectivity, display interfaces and robust memory support for logging and remote management.
• Data Loggers & Industrial Monitoring – High-bandwidth memory interfaces and reliable NAND flash support with ECC provide durable data storage and transfer for long-term logging.
• Point-of-Sale (POS) Terminals – Integrated LCD controller with touchscreen support, multiple USB hosts and SD interfaces enable rich user interfaces and peripheral connectivity.
• Alarm & Security Systems – Real-time control, multiple serial interfaces and Ethernet support allow secure communication and sensor integration in industrial environments.
• Medical Equipment – Industrial temperature operation, integrated connectivity and display capabilities support monitoring and user-interface applications in medical devices.

Unique Advantages

• Integrated Display Subsystem: Built-in LCD controller with 4-layer overlay and 2D acceleration simplifies implementation of advanced user interfaces and touchscreens.
• High-Bandwidth Memory Support: DDR2/LPDDR and SDRAM controllers plus a 32-bit external bus interface deliver the throughput required for data- and graphics-intensive embedded tasks.
• Comprehensive Connectivity: Ethernet MAC, multiple USB 2.0 ports and dual SDCard/SDIO hosts reduce the need for external controllers and simplify BOM and board layout.
• Robust Data Handling: Dedicated NAND controller with up to 24-bit programmable ECC and multiple DMA channels ensure reliable storage and low CPU overhead for transfers.
• Industrial Reliability: Rated for -40 °C to 85 °C and packaged in a 217-ball LFBGA suitable for surface-mount production in industrial designs.
• System-Level Integration: On-chip PLLs, RTC, watchdog and power management features help streamline system design and power sequencing.

Why Choose AT91SAM9G35-CU?

The AT91SAM9G35-CU combines a proven ARM926EJ-S processing core with a wide range of integrated peripherals and high-bandwidth memory support to address industrial embedded designs that require display capability, storage reliability and network connectivity. Its combination of DMA-driven data paths, NAND ECC and multiple host interfaces makes it well suited for products that demand uninterrupted data transfers and advanced user interfaces.

Engineers and procurement teams targeting building automation, POS, industrial monitoring, security or medical equipment will find the AT91SAM9G35-CU offers a balanced platform for mid-performance embedded applications where system integration and industrial temperature operation are important design criteria.

Request a quote or submit a pricing inquiry to evaluate the AT91SAM9G35-CU for your next embedded design.