https://tech.komputilo.org/index.php?action=history&feed=atom&title=DCM_module_with_internal_line_as_CLKIN
DCM module with internal line as CLKIN - Revision history
2026-04-17T21:39:20Z
Revision history for this page on the wiki
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https://tech.komputilo.org/index.php?title=DCM_module_with_internal_line_as_CLKIN&diff=241&oldid=prev
Joosteto at 22:18, 23 April 2013
2013-04-23T22:18:10Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:18, 23 April 2013</td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> of the same direction cannot be placed in series.</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> of the same direction cannot be placed in series.</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>ERROR:NgdBuild:924 - input pad net 'clk100' is driving non-buffer primitives:</nowiki></div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>ERROR:NgdBuild:924 - input pad net 'clk100' is driving non-buffer primitives:</nowiki></div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Then all you need to do is comment out the following lines from your DCM.vhdl file:</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> <nowiki> -- CLKIN_IBUFG_INST : IBUFG</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> -- port map (I=>CLKIN_IN,</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> -- O=>CLKIN_IBUFG);</nowiki></div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>and replace CLKIN_IBUFG with CLK_IN in the port map, and remove the other CLKIN_IBUFG references.</div></td>
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Joosteto
https://tech.komputilo.org/index.php?title=DCM_module_with_internal_line_as_CLKIN&diff=240&oldid=prev
Joosteto: Created page with "If you get these errors: <nowiki>ERROR:NgdBuild:770 - IBUFG 'Inst_DCM71/CLKIN_IBUFG_INST' and BUFG 'Inst_DCM100/CLKFX_BUFG_INST' on net 'clk100' are lined up in series. Buffe…"
2013-04-23T22:11:45Z
<p>Created page with "If you get these errors: <nowiki>ERROR:NgdBuild:770 - IBUFG 'Inst_DCM71/CLKIN_IBUFG_INST' and BUFG 'Inst_DCM100/CLKFX_BUFG_INST' on net 'clk100' are lined up in series. Buffe…"</p>
<p><b>New page</b></p><div>If you get these errors:<br />
<nowiki>ERROR:NgdBuild:770 - IBUFG 'Inst_DCM71/CLKIN_IBUFG_INST' and BUFG<br />
'Inst_DCM100/CLKFX_BUFG_INST' on net 'clk100' are lined up in series. Buffers<br />
of the same direction cannot be placed in series.<br />
ERROR:NgdBuild:924 - input pad net 'clk100' is driving non-buffer primitives:</nowiki></div>
Joosteto