Content originally posted in LPCWare by NXP_Paul on Wed Aug 21 06:15:07 MST 2013 1. If you've installed LPCXpresso, then you will find several examples included with the installation in directory "LPCXpresso_5.2.6\lpcxpresso\Examples\NXP\LPC800". 2. There is also an code sample bundles and application notes available for download from: http://www.lpcware.com/node/11538/256 3. Eventually, you will want to change the clock configuration. You will find an Excel-based "LPC8xx Clock and PLL Configuration Tool" at http://www.lpcware.com/node/11538/256 4. Configuring the switch matrix in the LCP800 is not difficult, but to make it even simpler, you can use the "NXP Switch Matrix Tool for LPC800". Again, available for download from: http://www.lpcware.com/node/11538/256
With these resources, you should be able to get a good start understanding the LPC800 family.