[Diy_efi] oopic2 based controller

[William Shurvinton]

Don't take this the wrong way, but you need to do some sums on what you are
trying to achieve before you select the PIC to use.

Viz: If you are not sure on the resolution requirements you can't work out
what timing you need and you can't decide if the MCU is the right one.

Example. You want 1° spark resolution at 8000RPM. 360° is 7.5ms. So 1° is
20uS. So your timers must be capable of working to that resolution.

Also look carefully at memory 16 by 16 tables eat 256 bytes of memory if you
are running 8 but resolution. Pics are cheap, but have limited memory. You
can add serial EEPROM, but then you need more code.
----- Original Message -----
From: Bino Lardo <binolardo at hotmail.com>
To: <diy_efi at diy-efi.org>
Sent: Tuesday, August 20, 2002 2:04 PM
Subject: RE: [Diy_efi] oopic2 based controller


> its sequentiel,dont know about the injector or spark resolution(what is
> that),map size 16by16,dis,map sensor,turbo,8000rpm red line,the traction
> control is not important.
>
> I think im gone used a pic16f877 device if some one see something rong
whit
> this let me know
>
>
http://www.microchip.com/1010/pline/picmicro/category/embctrl/14kbytes/devic
es/16f877/index.htm
>




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