Hi Philip:

Have you considered the BitScope?
http://www.bitscope.com/

Their designs are publicly documented and based on PICs.  See:
http://www.bitscope.com/design/
http://www.bitscope.com/design/parts/

Are PIC list members using these?

-- 
Have Fun,

Brooke Clarke
http://www.PRC68.com
http://www.precisionclock.com
http://www.prc68.com/I/WebCam2.shtml 24/7 Sky-Weather-Astronomy Cam
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