http://www.futureelectronics.com/en/Search.aspx?dsNav=Ntk:PartNumberSearch%7cPSoC+4%7c1%7c,Ny:True,Ro:0,Nea:True,N:936 . PSoC is a unique architecture. In this video, we demonstrate how to turn on and toggle an LED with PSoC 4, directly working with the hardware and with no CPU intervention. Something no other MCU can do! http://youtu.be/WpDo0eqOo5g