During development of a small test board for the LPC812 (with TSSOP20 package), I found a library for the Eagle layout program on Github at . Unfortunately this library had a wrong assignment of pins for the footprint. The corrected version can be found here.
For the LPC800 processor chip from NXP there is a switch matrix configuration tool available at . This is a .jar file (inside a ZIP-archive]. After downloading and unpacking, the resulting .jar Java file can be run by executing the following command from a terminal window:
shell $ java -jar [Jar file Name]
On the Embedded World fair in Nuremburg this year, I got an LPC812-LPCXpresso board  from some friendly guys at the both of of “Future Electronics” .