DM642' s PROTEL package library, and the development of other components on

代码说明：

DM642的PROTEL封装库，及其开发板上其他元器件的封装，无需自己苦苦做库,极为难得。-DM642" s PROTEL package library, and the development of other components on-board package, hard to do without their own library, extremely rare.