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protues not connected lines

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Hassan Gazal

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please can any one told me how to reduce these unconnected lines

i have a lot of unconnected lines
i need only single PCB

https://obrazki.elektroda.pl/9357756800_1376300650.png

- - - Updated - - -

another question please , refer to this image ( serial programmer ) for atmel family 89xxx if i need only to use ZIF 40 pin only not ZIF 20 ( i don't need any 20 pin controller ) which components should i remove it from this circuit .

i;e : i mean i need only to burn 40 pin controller so i thought i can remove 74HC573 and zif 20 and connect direct the firmware chip to zif 40 is it right ???


http://obrazki.elektroda.pl/3618293400_1376302747.gif
 
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Componenets are badly placed. Try to reorder them accurately, especially the 2 DIP components: you have to place them a litlle far from each other.
You can also, use a top layer route if you dont have a constraint. Then surely the router will be able to route it.

Regards
 
and for the other programmer ??

another question please , refer to this image ( serial programmer ) for atmel family 89xxx if i need only to use ZIF 40 pin only not ZIF 20 ( i don't need any 20 pin controller ) which components should i remove it from this circuit .

i;e : i mean i need only to burn 40 pin controller so i thought i can remove 74HC573 and zif 20 and connect direct the firmware chip to zif 40 is it right ???


https://obrazki.elektroda.pl/3618293400_1376302747.gif
 

I think it is feasible, but it depends on your application. (If you don't need them, just delete them)
Firstly you have to start by downloading data sheet of each component, and see operating conditions of each one.
 

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