关于derive_pll_clock
摘要:
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: 阅读全文
posted @ 2012-07-04 14:58 freshair_cn 阅读(1053) 评论(0) 推荐(0) 编辑