ATSAMA5D26B-CU

Microprocessors Overview

The ATSAMA5D26B-CU is a microprocessor unit from the SAMA5D2 series, manufactured by Microchip Technology. It integrates an ARM Cortex-A5 core operating at a maximum frequency of 500 MHz with a 32-bit data bus width. The device utilizes a 289-LFBGA package measuring 14x14 mm and supports surface mount installation. Internal memory includes 128 kB of data RAM and 160 kB of data ROM, complemented by 32 kB L1 instruction cache, 32 kB L1 data cache, and 128 kB L2 cache. It features a floating-point unit and NEON multimedia processing extensions. The MPU supports LPDDR1/2/3, DDR2, DDR3, DDR3L, and QSPI memory controllers. Operating voltage is 1.2 V for the core, with I/O voltages ranging from 1.65 V to 3.6 V. It operates within a temperature range of -40°C to 85°C.

Microprocessors Feature Summary

• Integrates ARM Cortex-A5 processor with NEON multimedia processing engine and floating-point capabilities.
• Includes comprehensive security features such as ARM TrustZone, secure boot, cryptographic engines, and secure JTAG.
• Supports multiple external memory types including LPDDR, DDR, and QSPI via dedicated controllers.
• Provides extensive connectivity through Ethernet, USB 2.0, HSIC, SPI, UART, USART, and I2C interfaces.

Microprocessors Applications

• Industrial automation systems requiring robust processing and communication interfaces
• Human-machine interface (HMI) displays utilizing LCD and touch screen controllers
• Medical devices needing secure data handling and reliable operation in varied environments
• Smart energy metering applications with integrated security requirements

Microprocessors Procurement Notes

Verify the specific suffix 'B' against official Microchip documentation to confirm exact silicon revision or variant specifications, as datasheets may primarily reference the 'C' variant. Ensure compatibility with required memory types and interface configurations before procurement. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Cross-reference the part number with current production lifecycle status to ensure availability.

Microprocessors Selection Notes

Select this component when a balance of processing power and low power consumption is required for embedded applications. The SAMA5D2 series offers sufficient performance for Linux-based operating systems while maintaining cost efficiency. Consider the available GPIO count and peripheral set against system interface needs. Evaluate the thermal characteristics and operating temperature range relative to the intended deployment environment.

Microprocessors Part Context

This microprocessor belongs to the SAMA5D2 family, designed for high-performance, low-power embedded applications. It serves as a successor to earlier AT91SAM9 series processors, offering enhanced multimedia and security features. The architecture is optimized for industrial and commercial markets, providing a scalable solution for complex control tasks and connectivity requirements.

Microprocessors Replacement Considerations

Consult Microchip's official cross-reference tools for verified compatible parts. The ATSAMA5D27 series may offer similar functionality with extended temperature ranges or additional peripherals. Verify pinout compatibility and software driver support before substituting any alternative components.