更细节的可以参考SpyGlass CDC Rules Reference Guide中的rule Clock_info15文件。 Generating Clocks 使用generated_clock约束可以定义derived clock或generated clock(区别?).这些是穿过时序元件的output的时钟(hierarchical 的pin或net)。 为了让SpyGlass能够考虑这些约束,需要将enable_generated_clocks参数设置为yes。当设置...
For more information on SGDC sanity checks refer to Clock Reset Rules Reference. 4.3.1 Rules-Checking Setup Once an initial set of constraints has been defined, run SpyGlass's CDC_Setup_Check template to check for setup issues mentioned above. CDC_Setup_Check includes following rules: Checks ...
reset -name reset_n -value 0 #Complete reset Constraint required for CDC include input_training.sgdc #Include constraints from other SGDC files //cdc_false_path -from "rule_Ac_sync01::src" -to "rule_Ac_sync01::meta" This will filter known good crossings //if your clocks and set_case...
使用SpyGlass对FPGA进行CDC检查的教程 1.FPGA Design Characteristics 2.SpyGlass Design FLow 3.Setup and Analyis 4.Vendor-Specific Configuration(Xilinx,Altera) 5.Summary 上传者:rovingz时间:2023-06-02 SpyGlass_LintRules_Reference.pdf spyglass lint rule ...
使用SpyGlass对FPGA进行CDC检查的教程 1.FPGA Design Characteristics 2.SpyGlass Design FLow 3.Setup and Analyis 4.Vendor-Specific Configuration(Xilinx,Altera) 5.Summary 上传者:rovingz时间:2023-06-02 SpyGlass_LintRules_Reference.pdf spyglass lint rule ...
使用SpyGlass对FPGA进行CDC检查的教程 1.FPGA Design Characteristics 2.SpyGlass Design FLow 3.Setup and Analyis 4.Vendor-Specific Configuration(Xilinx,Altera) 5.Summary 上传者:rovingz时间:2023-06-02 SpyGlass_LintRules_Reference.pdf spyglass lint rule ...
使用SpyGlass对FPGA进行CDC检查的教程 1.FPGA Design Characteristics 2.SpyGlass Design FLow 3.Setup and Analyis 4.Vendor-Specific Configuration(Xilinx,Altera) 5.Summary 上传者:rovingz时间:2023-06-02 SpyGlass_LintRules_Reference.pdf spyglass lint rule ...