关于derive_pll_clock
用于约束PLL所有输出时钟
Each time the TimeQuest analyzer reads your .sdc, the appropriate create_generated_clocks command is generated for the PLL output clock pin.
另外值得注意的是:
posted on 2012-07-04 14:58 freshair_cn 阅读(1046) 评论(0) 编辑 收藏 举报