用于usb编程控制usb数据端口的收发，本程序在开发板上成功
Programming control for the usb port usb data delivery, the success of this program in the development of board (2009-08-30, VHDL, 1941KB, 下载3次)
：CPLD 可编程技术具有功能集成度高、设计灵活、开发周期短、成本低等特
点。介绍基于ATMEL 公司的CPLD 芯片ATF1508AS 设计的串并转换和高速
USB 及其在高速高精度数据采集系统中的应用
: CPLD programmable technology with a high degree of functional integration, design flexibility, short development cycle, and low cost. ATMEL-based company introduced the CPLD chip ATF1508AS SERDES design and high-speed USB and its application in high-speed high-precision data acquisition system (2009-05-25, VHDL, 182KB, 下载23次)