SMBus 2.0协议描述文件PDF
5.4.1.3 中描述了PEC(Packet Error Checking)计算的是所有进来或输出的信息：
The PEC is appended to the message as dictated by the protocols in section 5.5. The PEC calculation includes all bytes in the transmission, including address, command and data. The PEC calculation does not include ACK, NACK, START, STOP nor Repeated START bits. This means that the PEC is computed over the entire message from the first START condition.
2014年6月4日星期三
Linux Documentation Project Guides
Linux Documentation Project Guides
我就好奇了，现在市面上出相关Linux的书籍的作者去哪找相关的资料去写书呢，可能都是从这些地方找的！
LDP:Linux Documentation Project(wiki百科)
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