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