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usb扩展
基于USB闪存盘的嵌入式系统存储器扩展设计
基于USB闪存盘的嵌入式系统存储器扩展设计
介绍了嵌入式系统设计过程中存储器容量不足的现状,提出利用USB闪存盘的特点结合USB协议中对USB闪存盘较底层的操作指令,通过相应的硬件及软件设计,实现将嵌入式系统的存储器空间扩展到USB闪存盘中的方法。
USB协会标准
USB 2.0 Specification Engineering Change Notice (ECN) #1: Mini-B connector Date: 10/20/2000 Reason for ECN: The USB 2.0 specified device-side connector – the B connector – is too large for use with a new generation of handheld and mobile devices, e.g., cell phones which would benefit from connectivity to the PC. This ECN incorporates a specification of a device-side mini connector (hereafter r
