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求助xilinx spartan6 倍频的方法


8楼
xilinx时钟资源分配方法共有5种:
(1)single clock pad --> IBUFG --> BUFG --> clock distribution
(2)differential clock pad --> IBUFGDS --> BUFG --> clock distribution
(3) single clock pad --> IBUFG --> DCM --> BUFG --> clock distribution
(4) logic --> BUFG --> clock distribution
(5) logic --> DCM --> BUFG --> clock distribution
不知楼主时钟是怎么连的,以上可参考一下
(1)single clock pad --> IBUFG --> BUFG --> clock distribution
(2)differential clock pad --> IBUFGDS --> BUFG --> clock distribution
(3) single clock pad --> IBUFG --> DCM --> BUFG --> clock distribution
(4) logic --> BUFG --> clock distribution
(5) logic --> DCM --> BUFG --> clock distribution
不知楼主时钟是怎么连的,以上可参考一下
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