这份资料价值极高，主要是关于DP/PA耦合器的一种新的开发方法，对于软件编程、单片机及总线知识要求很高，不管怎样这样的资料网上极少，是从IEEE辛苦找到的。-The foreign DP/PA coupler is realized by SIM1+ MCU chip,with a large number of procedures and codes completed by the software, which is very complicated, and technol