9.2i EDK  – 错误:(vsim-3733)Enc_core / xps_usb2_device_v1_00_a / hdl / vhdl / xps_usb2_device.vhd(423):'usb_core_i'没有组件的默认绑定-Altera-Intel社区-FPGA CPLD-ChipDebug