I agree. The PIC16LF88 proved to be incredibly easy on the battery once everything that wasn't needed was turned off (ADC, unused timers, used at 32Khz, etc). --Bob Stef Mientki wrote: > Xiaofan Chen wrote: > > >> On 6/19/06, Pang wrote: >> >> >> >>> Hi all, >>> >>> Been searching for a 8 bit or 16 bit microcontroller >>> with the lowest power consumption possible. Any >>> recommendation? I am looking for those with at least >>> 10 GPIO. My intention is to power the uC using a >>> 3000mAh battery for maybe 5 years...? Is this >>> possible? The uController may be in normal mode at >>> most 4 hours a day and the remaining in sleep mode... >>> >>> Thanks for any infor provided.... If there are no such >>> a low powered uC,any battery that can provide a higher >>> mAh? >>> >>> >>> >>> >> It is said that MSP430 family is one of the best in >> this type of applcation. >> >> >> > For a typical application, at 3V, > mainly running on 32 kHz or asleep, > sometimes running on 8MHz, the 16F88LP used just as little as the MSP430. > Although the circuit was never build it should run 10 years on a CR2033 > (twice the capacity of a CR2032). > > Stef Mientki > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist