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Intra-clock domain without pll – Altera HardCopy II Clock Uncertainty Calculator User Manual

Page 35

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Altera Corporation

A–3

HardCopy II Clock Uncertainty Calculator User Guide

Intra-Clock
Domain without
PLL

This section provides clock transfer examples for an intra-clock domain
without a PLL.

Figure A–3

shows an example of a clock-pair = CLK1 to CLK1

Figure A–3. Intra-Clock Domain without a PLL

Table A–3

shows input of the PLL index for

Figure A–3

, with respect to

the source and destination clocks.

1

If no PLL exists, enter “

0” for both the source and destination

clocks.

INBUF

CLK1

CLK1

Source

Clock

Destination

Clock

Source
Register

Destination
Register

Table A–3. Location of Input PLLs

Source Clock

Destination Clock

1st PLL

2nd PLL

1st PLL

2nd PLL

0

0