millisecond stop watch

[meganettronics]

sir, i need millisecond stopwatch using 18f4550.please help.

[Benj]

Hello,

We have a stopwatch example here using 7-seg displays.
http://www.matrixtsl.com/wikiv7/index.p ... :_Segment)

I would start by creating a timer interrupt with a 1ms interrupt rate. You may have to play with your oscillator speed to get bang on 1ms. Timer 2 is probably the most configurable timer.