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ID: 928
实例类型: faq
分类: Architecture
相关: PLL/DLL/Clock Routing
产品系列: All FPGA

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How can I determine what clock resources are being used?

To determine what clock resources are being used refer to the Clock Report which is found in the ispLEVER .PAR Report. Below is an example:

------------------ Clock Report ------------------

Global Clock Resources:
CLK_PIN : 1 out of 6 (16%)
PLL : 0 out of 10 (0%)
DCS : 0 out of 8 (0%)

Quadrants All (TL, TR, BL, BR) - Global Clocks:
PRIMARY "clk_c" from comp "clk" on CLK_PIN site "C12 (PT76A)", clk load = 12

PRIMARY : 1 out of 8 (12%)
DCS : 0 out of 2 (0%)
DCC : 0 out of 6 (0%)
SECONDARY: 0 out of 8 (0%)

Edge Clocks:
No edge clock selected.

Regional Secondary Clocks:
No regional secondary clock selected.

--------------- End of Clock Report ---------------