On Sun, Feb 02, 2003 at 07:33:09PM -0700, Joe Smith wrote:
> Anyone know of a resource on the web for serial bit banging? I am trying to
> get a pic16f84a to communicate with a PC and I am having some touble, a
> schematic would be nice also to see if I have my circuit correct.

I'm sure you'll get a bunch of resources for your question so I'll point out
another suggestion: If possible use RB2 for your transmit pin and RB1 for you
receive pin. Here's why: The 16F628, which for the most part a drop in
replacement for your 16F84 uses those pins for its hardware UART. Be sure to
check out my comparison page:

http://www.finitesite.com/d3jsys/16F628.html

As for a circuit, Wouter's WISP628 has a pretty good schematic of a MAX232
based serial circuit using my suggested pinout from above:

http://www.voti.nl/wisp628

BAJ

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