>Will, unless there is something major that I have missed on the PIC
>datasheets, this is only true on a few of the PICs, like the 12C508/509.
>Most of the PICs require an external R and C for RC osc. mode. You could
>run it with just the R and use the pin capacitance and the board
>capacitance for the C,
>but it would be very unstable and vary _GREATLY_ from device to device.

I stand corrected.  Sorry about that.  The internal RC osc is indeed a
feature which is only available on some of the low-end devices.


Will MacGregor
Software Design Engineer
Newbridge Networks Corp.
tel: 613 738-2434
fax: 613 739-8267