Ben,

I've been doing a lot with the PWM hardware of late, always at interrupt
level.  I'll drop you some code soon.  Holler if I forget.

Handle the PWM interrupt before the serial, unless you're doing a really
high bps.

Andy
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Andy Kunz - Montana Design - 409 S 6th St - Phillipsburg, NJ 08865 USA
              Electronics for Industry & R/C Hobbyists
         "Go fast, turn right, and keep the wet side down!"
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