Test points - a possible future direction

Joerg Reisenweber joerg at openmoko.org
Fri Jul 25 00:41:17 CEST 2008

Am Do  24. Juli 2008 schrieb Thomas Seiler:
> Hi,
> I accidentally hit reply instead of reply-all, my apologies for making
> this thread rather hard to read...
> Werner Almesberner wrote:
> > > Thomas Seiler wrote:
> > That might be an option for GTA03, where we'll probably still have
> > only Full Speed. After that, we'll almost certainly get High Speed
> > (finally !), and I'm not sure how this fits with signal integrity
> > demands. Even Full Speed is somewhat picky.

For sure this won't meet highspeed specs. So no way for USB-OTG/HS

> > Power is still tricky, yes. A big pad would solve the problem for
> > DIY circuits, because you wouldn't mind a little bit of soldering
> > anyway, but if you want to make more streamlined extensions, that
> > wouldn't be acceptable.
> You would just need a 2x3 block or so:
> VBAT  VIO_3v3  (power these cannot pe but on FPC)
> I2C     I2C         (these are nice because a single connector for
> most basic mods is sufficient)

We could still use testpoints and pogopins. Probably fine for some amount of 
current too.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 194 bytes
Desc: This is a digitally signed message part.
Url : http://lists.openmoko.org/pipermail/hardware/attachments/20080725/de90a32d/attachment.pgp 

More information about the hardware mailing list