[{"title":"( 2 个子文件 1.28MB ) GL850G设计USB2.0HUB四端口板PDF硬件原理图PCB+AD集成库文件.zip","children":[{"title":"USB HUB 2.0.pdf <span style='color:#111;'> 572.44KB </span>","children":null,"spread":false},{"title":"USB HUB 2.0.IntLib <span style='color:#111;'> 985.50KB </span>","children":null,"spread":false}],"spread":true}]