On Wed, Aug 19, 2009 at 10:27 AM, Jinx<joecolquitt@clear.net.nz> wrote:
>> RTC ..... typically outside the scope of a speedometer/trip meter
>
> Mine has several clock functions. Trip time, way points, countdowns etc

But you don't need a RTC for that, just an accurate crystal.
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist