这是gps芯片US-TECH公司1575R的芯片资料，包括管脚说明和芯片数据，这在网上很难找，我当时找了很久，而官网是韩文的，所以不易-This is the gps chip US-TECH 1575R chip companies, including chip pin descr iption and data, which is hard to find online, I was looking for a long time