利用 CoolRunner-II CPLD 创建交叉点开关 Application Note: CoolRunner-II CPLD R Building Crosspoint Switches with CoolRunner-II CPLDs XAPP380 (v1.0) June 5, 2002 Summary This application note provides a functional description of VHDL source code for a N x N Digital Crosspoint Switch. The code is designed with eight inputs and eight outputs in order to target the 128-macrocell CoolRunner-II CPLD device but can be easily expanded to target ……