Cypress公司USB接口芯片：1.      Usb2.0芯片：CY7C68013A-128AXC (EZUSB FX2LP)CY7C68013A-100AXCCY7C68013A-56PVXCCY7C68013A-56LFXCCY7C68013A-56PVXCTCy7c68013-128ac,(EZUSB FX2)
cy7c68013-100ac,
cy7c68013-56pvc,
2.Usb1.1芯片an2131q-80,(EZ-USB)
an2131s-44,CY7C64613 (EZ-USB FX )3.Usb1..0芯片Cy7c63001a