>I've got a developement kit for the 16c84 and 3 other PIC's. Is it worth
>the effort of building a programmer for another chip to do PWM? I
>vaguely remember that a 16c57 or something has a PWM module built-in.

'72-'77
'6?-'67

57 had nothing but generic I/O and some extra RAM.

>Can I do PWM with the c84? Or will it be to time consuming/difficult?

Sure, you _can_ if the speed is reasonable.  You can get 1uS wide pulses
from the integrated that at 4 MHz, and you only need to service it once in
a while at an interrupt level.  VERY easy to use.

Andy

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Andy Kunz - Montana Design - 409 S 6th St - Phillipsburg, NJ 08865
          Hardware & Software for Industry & R/C Hobbies
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