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[原创] Atmel SMART SAMA5D3高性能MPU开发方案

关键词:物联网(IOT) 可穿戴设备 POS MPU SAMA5D3 虚拟存储器系统架构

时间:2015-10-14 10:59:39       作者:Atmel       来源:中电网

Atmel公司的SMART SAMA5D3系列是高性能嵌入MPU,采用ARMâ Cortexâ-A5内核和ARMv7-A Thumb-2指令集,工作频率536MHz,低功耗模式的功耗0.5mW,具有32KB数据缓存,32KB指令缓存和虚拟存储器系统架构,全集MMU和浮点单元(VFPv4),支持DDR2/LPDDR/LPDDR2和MLC NAND闪存,目标用在物联网(IOT),可穿戴设备和POS.本文介绍了SMART SAMA5D3主要特性,框图,以及SAMA5D3 Xplained评估板主要特性和电路图.

The Atmelâ | SMART SAMA5D3 series is a high-performance, power-efficientembedded MPU based on the ARMâ Cortexâ-A5 processor, achieving 536 MHzwith power consumption levels below 0.5 mW in low-power mode. The devicefeatures a floating point unit for high-precision computing and accelerated dataprocessing, and a high data bandwidth architecture. It integrates advanced userinterface and connectivity peripherals and security features.

The SAMA5D3 series features an internal multi-layer bus architecture associatedwith 39 DMA channels to sustain the high bandwidth required by the processorand the high-speed per ipherals. The device offers support forDDR2/LPDDR/LPDDR2 and MLC NAND Flash memory with 24-bit ECC.

The comprehensive peripheral set includes an LCD controller with overlays forhardware-accelerated image composition, a touchscreen interface and a CMOSsensor interface. Connecti..

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