原文转自:http://www.systhinker.com/html/74/n-20674.html 从微软网站上把 Windows SDK for Windows Server 2008 and .NET Framework 3.5 下载回来安装好之后,使用 Microsoft Visual Studio 2008 打开 C:/Program Files/Microsoft SDKs/Win
EMMC IO Operation Mode The EMMC IO PAD is a multipurpose PAD which can be programmed to operate in different modes: 1、Output with predetermined source/ sink impedance 2、Open drain 3、Input 4、Tristate