[{"title":"( 3 个子文件 505KB ) 常用USB的DXP封装","children":[{"title":"usb应用电路原理图+封装","children":[{"title":"AMP Serial Bus USB.IntLib <span style='color:#111;'> 65.50KB </span>","children":null,"spread":false},{"title":"microUSB.PcbLib <span style='color:#111;'> 470.50KB </span>","children":null,"spread":false},{"title":"TCFL_MUC.SchDoc <span style='color:#111;'> 163.00KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]