Design Files for i.MX8 plus Base Board

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Design Files for i.MX8 plus Base Board

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rjm
Contributor IV
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rjm
Contributor IV

Acccording to Flowcad, this shows that NXP is using the (highest end) Allegro PCB designer.

 

Note: This answer is marked as "solution", but that does not apply to the posting as a whole - that's due to the attempt to establish a sort of umbrella posting that may handle several subtopics, as this one...

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rjm
Contributor IV

When I want to re-route parts of the board, especially differential pairs, the following is reported in the command window: Timing feedback is disabled because timed based rules are not allowed. With this product, you must define delay rules in length units.

I use OrCAD PCB Designer Professional (17.4). The only product that goes beyond Professional is Allegro instead of OrCAD. Any hints regarding the PCB Designer license variant used with NXP would be appriciated.

The above message also occurs on the CPU module board.

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rjm
Contributor IV

Acccording to Flowcad, this shows that NXP is using the (highest end) Allegro PCB designer.

 

Note: This answer is marked as "solution", but that does not apply to the posting as a whole - that's due to the attempt to establish a sort of umbrella posting that may handle several subtopics, as this one...

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rjm
Contributor IV

Netlist update to Layout shows nine warnings, all of this type: WARNING(SPMHNI-295): Component 'R108', property 'SIGNAL_MODEL'. Value 'DEFAULT_RESISTOR_100000OHM_2_1' was overwritten by 'DEFAULT_RESISTOR_33.000000OHM_2_1'.

See attachment. I'd want to know whether I should do anything with it, or if it can be ignored. It should however be noted that the Layout file is updated by OrCAD from 17.2 to version 17.4 format.

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Yuri
NXP TechSupport
NXP TechSupport

@rjm 
Hello,

   Generally the warnings may be omitted. Nevertheless, please check
(PCB) size of overwritten elements - it should not occupy more space on board.

Regards,
Yuri.

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