XILINX FPGA的时序约束设计 | |
所属分类:参考设计 | |
上传者:nuanyangyang | |
文档大小:1360 K | |
标签: FPGA | |
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文档介绍:Timing constraints may be applied to a schematic using the timespec ? symbol (FROM:TO’s) if your compiler supports them They can be added to HDL source code ? called a .UCF (user constraints file), They can be input in a separate file ? constraints file) or a synthesizer generated .NCF (netlist ile). f the PCF (physical constraints Some constraints must be placed in ? Normally, the PCF should be avoided by users. | |
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