J-linkV7版的电路原理图，protel格式，可以直接使用。,J-linkV7 version of the circuit schematic, protel format, can be used directly.

瑞星微公司RK27XX系列芯片的SDK开发包对应的软件编程开发指南和培训文档等等。,Rising Micro-chip companies RK27XX Series Development Kit SDK that corresponds to the development of software programming guidelines and training documents and so on.