Altera HardCopy II Clock Uncertainty Calculator User Manual
Page 38
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![background image](/files/763726/content/doc038.png)
A–6
Altera
Corporation
HardCopy II Clock Uncertainty Calculator User Guide
Inter-Clock Domain with PLL
shows an example of a clock-pair = CLK2 to CLK7
Figure A–6. Inter-Clock Domain with Two PLLs
shows input of the PLL index for
, with respect to
the source and destination clocks.
INBUF
CLK2
CLK7
CLK6
Source
Clock
Destination
Clock
Source
Register
Destination
Register
PLL5
PLL9
Table A–6. Location of Input PLLs
Source Clock
Destination Clock
1st PLL
2nd PLL
1st PLL
2nd PLL
5
—
9
—
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