13 CDC-Clean Design Using SpyGlass-CDC Note that only following commands of SDC are translated into SGDC: • "create_clock" • "create_generated_clock" – this will be commented in output SGDC. In current run, this command will not be used. • "set_input_delay" • "set_output_...
原文链接:http://www.cnblogs.com/coole/p/8552348.htmlSpyGlass工具目前包含:SpyGlassLint,CDC,RDC,DFTADV,Power.是业界RTLSignoff的重要工具.CDC介绍CDC(Clock Domain Crossing)的前端设计中最常见的问题, 在RTL中要恰当的处理每个异步的控制信号和数据信号 ...
Generated_clocks.sgdc – Any clock dividers will create generated clocks • These should get used in addition to autoclocks.sgdc Auto_set_case_analysis.sgdc • Clocks that go through muxes need to have a set_case_analysis. • This...
Create SGDC for selected goals Waive a selected violation, and save the waivers for later use Atrenta Confidential © 2008 Atrenta Inc. Introduction to Clock Domain Crossing Issues A t r e n t a C o n f i d e n t i a l
Clock_08 : No "ANDing" of generated clocks ...212 Clock_09 : No logic in common with clock and data...215 Clock_10 : Each clock domain should have a dedicated test clock...218