ATSAMA5D27A-CUR

Microprocessors Overview

The ATSAMA5D27A-CUR is a microprocessor unit (MPU) from the SAMA5D2 series, manufactured by Microchip Technology. It features an ARM Cortex-A5 core operating at up to 500 MHz with a 32-bit data bus width. The device is housed in a 289-ball LFBGA package measuring 14x14 mm with a 0.8 mm pitch. Internal memory includes 32 kB L1 instruction cache, 32 kB L1 data cache, and 128 kB L2 cache. It supports multiple DDR memory types including DDR2, DDR3, LPDDR2, and LPDDR3 via a high-bandwidth controller.

Microprocessors Feature Summary

• Integrates ARM TrustZone technology for hardware-based security isolation and secure boot capabilities.
• Includes a NEON media processing engine for efficient multimedia handling.
• Features a multi-port dynamic RAM controller supporting various DDR standards.
• Provides extensive I/O options with up to 128 programmable pins.

Microprocessors Applications

• Industrial Human Machine Interface (HMI) systems
• Point of Sale (POS) terminals
• Smart white goods controllers

Microprocessors Procurement Notes

Verify the specific suffix 'CUR' against official Microchip documentation to confirm tape-and-reel packaging status and industrial temperature range compliance. Ensure the ordering part number matches the exact silicon revision and package variant required for your design. Cross-reference the datasheet for any recent Product Change Notices affecting pinout or electrical characteristics before finalizing procurement.

Microprocessors Selection Notes

Select this component when a balance of performance and power efficiency is required for Linux-capable embedded applications. The SAMA5D27 offers sufficient processing power for GUI rendering while maintaining low power consumption through advanced sleep modes. Consider the available peripheral interfaces and memory bandwidth requirements relative to the target application's data throughput needs.

Microprocessors Part Context

The ATSAMA5D27A-CUR belongs to the SAMA5D2 family of microprocessors designed for cost-sensitive, high-performance embedded markets. This series targets applications requiring robust connectivity and security features within a compact form factor. The A-series designation typically indicates industrial temperature range operation, distinguishing it from commercial variants.

Microprocessors Replacement Considerations

Compatible alternatives within the SAMA5D2 family include the ATSAMA5D27C-CU and ATSAMA5D27A-CN. Verify pin compatibility and feature set differences, such as memory controller support or security extensions, before substituting. Consult the SAMA5D2 series datasheet for detailed comparison matrices.