pic16f873

hi there....

my project is to maintain the speed of dc motor using pic16f873...
how speed can be control in pic....i mean how it function???
and
how to set reference speed in pic16f873...
4 ur info i'm using micro basic @ c language....
actually i.m not clear abiut pwm..ccp..
can anyone xplain ....plzzz


let say reference speed = 0.156V

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