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Forum: µC & Digital Electronics uC board connectors? (Infineon)


Author: omnix (Guest)
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Hello Leute!

Sorry for writing in english, but it would take me a lot of time trying 
to say this in German, and I would probably make a lot of mistakes :)

So, what's my problem:
I have two microcontroller kits from Infineon (XC167 series), and they 
work just fine, but...
around the microcontroller, which is soldierd in the middle of the 
board, there are arrays of holes, connected with the chip pins, that are 
intended to provide access to any microcontroller pin.
There's a picture uploaded with this message, so you can see these 
holes, I marked some of them with red elipse.

So, my question is:
Does anybody know what type of connector goes into this holes, what's 
its name (for example if I want to buy it or search it on the internet 
what should I search for)? If you know german or english name both are 
good.
I have seen that a standard pin-ledder connector can be inserted into 
this holes, but it seems to me that there isn't enough copper around the 
holes, so that it can be soldierd properly! Am I maybe wrong?

Thanks!

Author: Magnus Müller (Guest)
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omnix wrote:
> I have seen that a standard pin-ledder connector can be inserted into
> this holes, but it seems to me that there isn't enough copper around the
> holes, so that it can be soldierd properly! Am I maybe wrong?

I think that standard pin-headers would be ok. Don't worry about the 
small solder pads. In fact they are vias, which will be filled by the 
solder, which will result in a perfect connection between the pin-header 
and the vias / pads.

Regards,
Magnetus

Author: Pete K. (pete77)
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There ist no problem with soldering the pins. But be aware that the 
pinheader must reside on the back of the shown layer in the picture for 
proper soldering.

Author: Magnus Müller (Guest)
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Pete K. wrote:
> pinheader must reside on the back of the shown layer in the picture for
> proper soldering.

What?!?

Author: Vollhorst (Guest)
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Hello,

Can you measure the space between the holes in  a row and the space 
between the column? is it 2,54 or 1,28 or less?

It shouldn't be a problem then to find out the right connectors.

mfg

Author: omnix (Guest)
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Thanks for answers!

I didn't know if I could solder that pin header, I was afraid of 
possibility to ruin something on the board, but now it's ok :)

By the way, the hole/pin distance is 2.54 mm.

There's still problem with the catalog names for this things, it's a 
kind hard for me to find them for example in online Conrad catalog, but 
I think I'll manage it somehow.

mfg
omnix

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