PIC Questions

[Jemison Richard]

For us novices, could you briefly explain what a PIC is exactly and describe
(manufacturer / model / part#) the board you mention.  Also a brief
explanation of why you would prefer the PIC board to the HC11 (assuming you
could find an HC11 board).

Thanks

Rick

> -----Original Message-----
> From:	Orin Eman [SMTP:orin at WOLFENET.com]
> Sent:	Tuesday, November 03, 1998 3:20 AM
> To:	diy_efi at efi332.eng.ohio-state.edu
> Subject:	Re: PIC Questions
> 
> 
> > Was looking at the HC11' but the PIC is lower cost and easier to get.
> Just
> > not needing the power of the HC11, just the i/o. Seems that several
> PIC's
> > have the same I/O capability so that makes is easy.
> 
> I've looked at HC11 vs PIC too... kept coming back to the PIC.
> I also looked at the PIC with more IO vs one with less IO with
> some latches... the bigger PIC won easily (pin count!).  I have a PIC16C73
> based data aquisition board... drives a character LCD and RS232.
> I _didn't_ use the on-board AtoD, but used a Motorola 145051 10 bit
> chip instead.  I had to do the serial by hand (but the assembler
> macro capability is good - I should post the code).  Used the
> interrupt on change inputs to aquire ignition timing - interesting
> since this feature is buggy on the 16C73.  Picked up a couple
> of duty cycles using the capture inputs...
> 
> Orin.