[gta02-core] U490{1,2,3} diagrams

[Rene Harder]

Werner Almesberger wrote:
> Aiii ... vendor-specific footprints with different numbering. Very
> very dangerous ... If you really make a footprint for each device,
> that would work. But then, you normally want one for each package,
> so that would be TSSOP5 or NXP_TSSOP5.

Yes I know, but in Kicad there are only two way to address this problem
(as far I can tell right know), either you draw vendor and even package
specific symbols or footprints. Everything else will somehow cause
trouble or confusion.

Rene