> How about the current consumption of other popular MCUs > with more than 25MIPS? I checked Silabs C8051F064 > and it is 20mA at 25MHz (~25MIPS) and 3V. > I am not so familiar with those higher end MCUs. ARM is 'known' for its good MIPS/Watt rating. MCP430 also has a good name, but I dunno whether it will reach 25 MIPS. When you consider ARM be a ware that the FLASH often can't keep up with the CPU at full speed (but the RAM can). Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products docent Hogeschool van Utrecht: www.voti.nl/hvu -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist