Hi Raghu,

>>fitted inside a car / truck

So, the viewing angle, distance and power availability (assuming a CCFL backlight) will meet the LCD requirement.

There are quite a bit of sites available on NMEA string handling using microcontrollers. But majority of them are for AVR and for character based LCD. But you will get a fair idea. I just happen to have a link in my folder which I am posting below.

http://www.dip.ee.uct.ac.za/~ahenric/...tth_sEc2.4

Good luck,

Leo Paul