MIPI Traces on eagle layout

Anonymous — Mon, 09 Jul 2018 14:57:51 GMT

I have in the schematic Few net name that called :

MIPI10_C_P

MIPI10_C_N

MIPI1_D0_N

MIPI1_D0_P

In the layout when I started to route the traces I saw that EAGLE recognized them as a MIPI connection and let me trace them together with width of 5mil.

So, first I wanted to ask how EAGLE recognized the nets name to be a MIPI and do the "magic"?

And second how can I change the properties of the MIPI routing? (for example make MIPI differential space of 10mil?)

Re: MIPI Traces on eagle layout

rachaelATWH4 — Mon, 09 Jul 2018 16:15:00 GMT

@Anonymous wrote:

So, first I wanted to ask how EAGLE recognized the nets name to be a MIPI and do the "magic"?

If you have two nets with the same name except one ends in _N and the other in _P then EAGLE recognises them as a differential pair and routes them as a differential pair.

@Anonymous wrote:

And second how can I change the properties of the MIPI routing? (for example make MIPI differential space of 10mil?)

In order to automatically set the correct width and spacing for the nets you'll need to set up a new net class which defines the width/spacing for these and then apply that net class to the nets in the net properties. You'll see they are probably currently set the the default 0 net class.

Finally you'll need to go to Options->Set...->Misc and enable the "Auto set route width and drill" option so EAGLE takes the specified net class width when the route starts. Alternatively, just set the trace width correctly before starting the route of the diff pair by entering the width in the command line when the route tool is enabled.

Best Regards,

Rachael

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MIPI Traces on eagle layout

Re: MIPI Traces on eagle layout