[{"title":"( 47 个子文件 1.32MB ) EPM1270T SP2526A 16路USBHUB控制板ALTIUM设计硬件原理图+PCB(2层板)+cpld Verilog逻辑源码+设计文档资料.zip","children":[{"title":"EPM1270 USBHUB接口控制板实现方案.doc <span style='color:#111;'> 323.50KB </span>","children":null,"spread":false},{"title":"硬件设计文件","children":[{"title":"EPM1270 USBHUB接口控制板.PCB <span style='color:#111;'> 4.45MB </span>","children":null,"spread":false},{"title":"UKEY_TEST_HUB.sch <span style='color:#111;'> 116.60KB </span>","children":null,"spread":false},{"title":"UKEY_TEST_CPLD.Sch <span style='color:#111;'> 38.75KB </span>","children":null,"spread":false},{"title":"UKEY_TEST_KEY.Sch <span style='color:#111;'> 56.07KB </span>","children":null,"spread":false},{"title":"UKEY_TEST_POWER.Sch <span style='color:#111;'> 30.01KB </span>","children":null,"spread":false},{"title":"UKEY_TEST_TOP.Sch <span style='color:#111;'> 502B </span>","children":null,"spread":false},{"title":"EPM1270 USBHUB接口控制板.PrjPCB <span style='color:#111;'> 31.35KB 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