[Diy_efi] Re: Minimalist micro based EFI ?

[Bernd Felsche]

On Wed, Mar 12, 2003 at 03:13:49PM +0800, Mike wrote:
> At 08:49 AM 3/12/03 +0800, you wrote:
> >> Well sure and you could do it without any a/d just by using pulses
> >> from the TPS however, there is the issue of emissions, so perhaps
> >> what i should have asked/observed about was what is the accepted
> >> MAF resolution for a tolerable emissions spread across load - in
> >> terms of what the oem's do ?

> >Feedback; Mike. Closed-loop feedback. :-)

> Yeah yeah :) Realise that - I was focussed on the comparative issue
> and wanting a rationalisation of the issue re bits for range of power
> out as someone made a generalisation not immediately substantive

The output resolution is more significant in that respect than the
ability to measure inputs to a great accuracy.  e.g. the ability to
accurately meter injected fuel quantity is more important than being
able to get the MAF resolution better than 8 bits.

-- 
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