AT91SAM9260B-QU

The AT91SAM9260B-QU is a single-core 32-bit embedded microprocessor based on the ARM926EJ-S core running at 180 MHz. It integrates a rich set of peripherals and memory interfaces tailored for embedded applications that require Ethernet connectivity, USB support and flexible external memory options.

Designed for embedded and industrial applications, the device delivers a balance of processing performance, peripheral integration and broad I/O flexibility to simplify system design and reduce BOM count.

Key Features

• Core  ARM926EJ-S 32-bit processor core at 180 MHz with instruction and data caches and MMU for efficient code execution and memory management.
• Memory and External Bus  External Bus Interface supporting 4-bank SDRAM/LPSDR and a wide range of static memories, CompactFlash and SLC NAND Flash with ECC; includes internal RAM and ROM for bootstrap and runtime needs.
• On-chip Memory  Two 4-Kbyte internal SRAM blocks with single-cycle access and a 32-Kbyte internal ROM containing bootstrap routines.
• Ethernet  Integrated 10/100 Mbps Ethernet MAC controller for networked embedded systems.
• USB  Integrated USB Device port and USB Host controller with on-chip transceiver to support USB 2.0 connectivity.
• Peripheral Set  Multiple serial interfaces including SPI, TWI, USARTs, UARTs, SSC, Timer/Counters, a 4-channel 10-bit ADC and MultiMedia Card Host for broad I/O and storage options.
• Image Interface  ITU-R BT.601/656 Image Sensor Interface (ISI) for imaging applications that require direct sensor connectivity.
• System and DMA  Six 32-bit layer AHB bus matrix, 22 peripheral DMA channels, advanced interrupt controller, debug unit and multiple clock/PLL options for system timing and performance tuning.
• Package & Mounting  Supplied in a 208-pin PQFP (28 × 28 mm) surface-mount package suitable for compact board layouts.
• Operating Range & Grade  Industrial grade with operating temperature from −40 °C to 85 °C and RoHS compliance for environmental requirements.

Typical Applications

• Embedded Control  Use in general-purpose embedded systems where a 32-bit ARM core, timers, ADC and multiple serial interfaces are required for sensor and actuator control.
• Industrial Automation  Integration into industrial controllers and instrumentation leveraging industrial temperature range and extensive I/O connectivity.
• Networked Devices  Ideal for network-enabled appliances and gateways that require 10/100 Mbps Ethernet and USB connectivity for data transport and peripheral attachment.
• Imaging and Multimedia Interfaces  Suitable for camera and imaging modules using the ITU-R BT.601/656 Image Sensor Interface combined with external memory for frame buffering.

Unique Advantages

• Integrated Connectivity: On-chip Ethernet MAC and USB device/host support reduce external controller requirements and simplify board design.
• Flexible Memory Options: 32-bit external bus with support for multi-bank SDRAM, static memories and NAND/CompactFlash provides designers with scalable memory architectures.
• Rich Peripheral Set: Multiple serial ports, timers, ADC and multimedia interfaces enable diverse application support without extensive external components.
• Industrial Robustness: Industrial temperature rating (−40 °C to 85 °C) and surface-mount 208-PQFP packaging support deployment in demanding environments.
• System Performance Features: AHB bus matrix and 22 DMA channels help maximize throughput between peripherals and memory, improving real-time responsiveness.

Why Choose AT91SAM9260B-QU?

The AT91SAM9260B-QU positions itself as a highly integrated 32-bit embedded MPU that combines a 180 MHz ARM926EJ-S core with extensive on-chip peripherals and flexible external memory support. Its combination of Ethernet, USB, imaging interfaces and assorted serial/peripheral controllers makes it suitable for embedded designs that demand moderate processing performance coupled with broad I/O integration.

This device is well suited to engineers and manufacturers designing industrial and embedded systems who need a robust, RoHS-compliant MPU offering a clear balance of performance, peripheral density and board-level flexibility backed by the SAM9260 series architecture.

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