EC600U QuecOpen-硬件开发资源包，具体包含：
1. Quectel_EC600x-CN_QuecOpen_兼容GPIO配置_V1.0
2. Quectel_EC600U_Series_QuecOpen_Footprint&Part_V1.2
3. Quectel_EC600U系列_LTE_Standard_模块产品规格书_V1.2
4. Quectel_EC600U系列_QuecOpen_GPIO配置_V1.1
5. Quectel_EC600U系列_QuecOpen_参考设计手册_V1.0
6. Quectel_EC600U系列_QuecOpen_硬件设计手册_V1.0
