对USB的从机设备的IP核进行了重新设计并在一定程度上进行了优化-On the USB device from the IP core has been redesigned to some extent, is optimized

对usb设备控制的ip核进行了重新设计并进一步优化-Usb device on the control of nuclear ip has been redesigned and further optimize

USB文本阅读器，主要涉及SOPC技术，NIOS软核编程，供学习参考用-USB text reader, mainly related to SOPC technology, NIOS soft-core programming for the study and reference

基于FPGA的软核设计可以实现串口通信和usb通信的双向传输，以及可以在软核基础上实现无线以太等其他通信-FPGA-based soft-core design can be achieved usb communication serial communication and two-way transmission, and can be implemented in other communications such as wireless Ethernet based on soft-c