On Sat, Feb 06, 2010 at 06:54:07AM -0500, Spehro Pefhany wrote:
> At 07:19 PM 2/5/2010, you wrote:
> >I've read the datasheet for my PIC, or at least most of it, but I need
> >something that goes into more detail explaining how things work.
> 
> http://ww1.microchip.com/downloads/en/DeviceDoc/39500a.pdf
> 
> ..describes how things work in great detail, right down to the Q cycles of
> each instruction.

The Family reference manuals are in fact a valuable resource. Every
designer should have a copy.

But as a reference manual, like the datasheet, it may not be in a format
that's at an appropriate level of abstraction for a novice designer. While
anyone who has done PIC development at any level would be driven absolutely
nuts, sometimes a tutorial such as this one:

http://www.pic18f.com/tutorial/2007/12/06/tutorial-2-hello-world

or the assembly overview:

http://www.pic18f.com/tutorial/2007/12/04/18f4550-and-assembly-overview/

is the appropiate level of discussion.

The OP should probably come back and tell is a bit about his
microcontroller development experience. Then we can get a better bead
on what may be appropriate.

BTW I agree with the other posters in the thread. Pretty much everything
you need to know about PIC chips, at any level, is available on the web.
Unless a textbook format is your primary learning style, since cost is an
issue, search for PIC 18F tutorials to come across sites such as the one
above.

Hope this helps,

BAJ
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