This is a multi-part message in MIME format.
--------------130282B4FF4929D00BECB8A6
Content-Type: text/plain; charset=koi8-r
Content-Transfer-Encoding: 7bit



"Rick C." wrote:

> Tip #1. Fully study and understand the LPT parallel protocol. There are
> books by Que and others that will explain the LPT architecture.
>
> Tip #2 Understand that LPT interfacing won't work with NT/2000/XP without a
> LOT of  driver headaches.
>
> Tip #3 Know that there are several serial EEPROM programmers out there. Are
> you sure you want to make one from scratch?
>
> Answer to #2 - Serial port will be more universal and a little more
> forgiving if hooked up wrong, but will involve serial to parallel (and
> back) conversion. Not really a big problem. Could be handled within the uC
> with some efficient code. From that point on, the uC can probably handle
> the actual EEPROM reading and writing.

That's and of idea which i had...

> Answer to #3 - I'd recommend the serial port for compatibility to PC OS. If
> you can right good code, a 16F876/877 will finish out the hardware,
> although there's going to be a good bit of code in your PC too.

Sure, that's will be maybe the best idea..
If there are interests i can send a schematic which i draw with a simple
explain how-it-work.
See ya...

>
> Simple design???? depends on your perseverance.
> Good Luck - Rick
>

--------------130282B4FF4929D00BECB8A6
Content-Type: text/x-vcard; charset=koi8-r;
 name="mpavlica.vcf"
Content-Transfer-Encoding: 7bit
Content-Description: Card for Milan Pavlica YU7XW
Content-Disposition: attachment;
 filename="mpavlica.vcf"

begin:vcard
n:Pavlica;Milan
x-mozilla-html:FALSE
url:www.supersonicsystems.org
org:SuperSonic Systems
adr:;;;;;;
version:2.1
email;internet:mpavlica@ptt.yu
title:Chief
fn:Milan Pavlica
end:vcard

--------------130282B4FF4929D00BECB8A6--

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads