This might seem like a stupid question, but I have a schematic that have
some parts, including the PIC, grounded or whatever with a inverted
triangle.  There is also a traditional ground symbol so my question is
what is the inverted triagle?

_____________________________________________________________________________
| benli@uclink2.berkeley.edu | benli@ocf.berkeley.edu | benli@bdt.com ******|
|---------------------------------------------------------------------------|
|WEB Page under construction...coming soon to a WWW Server near you...******|
|---------------------------------------------------------------------------|
|"If we don't stop him now, Bill Gates will take over the entire galaxy, he |
|already has Earth, and Mars." - Anonymous                                  |
|___________________________________________________________________________|