> I must admit the speed is the real again to SX. I am > not aware of other MCU that can reach it's MIPS. > > Actually, 20Mhz PICs easily run at 28Mhz with an external oscillator (I've done it many times as a speed test) but the PIC begins to draw some current. And of course, Microchip will void the warranty of any device used that fast. --Bob -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist