On Wed, 10 Oct 2007 13:10:31 +0100, "David Given" dg@cowlark.com said:
Matt Callow wrote: [...]
Do you know where the pads are? I've tried previously to find them - and failed. AFAIK, this information is not on the web anywhere
I found this info via Ralph's website:
http://www.en4rab.dsl.pipex.com/
However, it does seem to be E2 and not E3. I could have sworn I saw someone report using JTAG on the E3, but I can't find it now either... the pads must be in there *somewhere*.
Correlating the TI data sheet (GDY package, bottom of page 21) with Jon Masters' photos, it looks as though the JTAG balls are all bunched together around one corner and I guess that would correspond to cluster of vias between C52 and T158. Can't really tell from the photos where the traces lead off to. Also, it doesn't seem as though there are enough vias on the back of the processor for all of the signals, so there might be some buried vias there.
http://focus.ti.com/docs/prod/folders/print/omap5910.html http://photos.jonmasters.org/amstrad_emailer_e3_20050108/dscn4682?full=1 http://photos.jonmasters.org/amstrad_emailer_e3_20050108/dscn4672?full=1
Neil