XAPP694-从配置PROM读取用户数据
This application note describes how to retrieve user-defined data from Xilinx configurationPROMs (XC18V00 and Platform Flash devices) after the same...
This application note describes how to retrieve user-defined data from Xilinx configurationPROMs (XC18V00 and Platform Flash devices) after the same...
This application note describes how the existing dual-port block memories in the Spartan™-IIand Virtex™ families can be used as Quad-Por...
Most designers wish to utilize as much of a device as possible in order to enhance the overallproduct performance, or extend a feature set. As a des...
为了在CDMA系统中更好地应用QDPSK数字调制方式,在分析四相相对移相(QDPSK)信号调制解调原理的基础上,设计了一种QDPSK调制解调电路,它包括串并转换、差分编码、四相载波产生和选相、相干解调、差分译码和并串转换电路。在MAX+PLUSⅡ软件平台上,进行了编译和波形仿真。综合后下载到复杂可编...
PCB设计问题集锦 问:PCB图中各种字符往往容易叠加在一起,或者相距很近,当板子布得很密时,情况更加严重。当我用Verify Design进行检查时,会产生错误,但这种错误可以忽略。往往这种错误很多,有几百个,将其他更重要的错误淹没了,如何使Verify Design会略掉这种错误,或者在众多的错...