[原创] Atmel SAMA5D4物联网(IOT)网络关解决方案

Atmel公司的SMART SAMA5D4系列产品是高性能ARM® Cortex®-A5处理器MPU,工作频率高达528MHz,它集成了ARM NEON™ SIMD引擎以提高信号处理,多媒体和图像以及128KB L2高速缓存以提高系统性能.器件具有ARM TrustZone®以加强关键软件的安全性,几个硬件安全特性和先进的用户接口和连接外设如720p硬件视频译码器,LCD控制器,电阻触摸屏和CMOS传感器接口以及具有IEEE1588的双10/100以太网MAC,三个HS USB端口,UART,SPI和I2C等.本文介绍了SAMA5D4主要特性,框图,系统控制器框图,以及SAMA5D4 Xplained Ultra评估套件SAMA5D4-XULT主要特性,主要元件和电路图.

The Atmel® SMART SAMA5D4 Series is a high-performance, power-efficient ARM® Cortex®-A5 processor MPU capable of running up to 528 MHz. It integrates the ARM NEON™ SIMD engine for accelerated signal processing, multimedia and graphics as well as a 128 KB L2-Cache for high system performance. The device features the ARM TrustZone® enabling a strong security perimeter for critical software, as well as several hardware security features. The device also features advanced user interface and connectivity peripherals.

The SAMA5D4 features an internal multi-layer bus architecture associated with 32 DMA channels to sustain the high bandwidth required by the processor and the high-speed peripherals. The device supports DDR2/LPDDR/LPDDR2 and SLC/MLC NAND Flash memory with 24-bit ECC.
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