[Diy_efi] How many Bits for PWM injection driver?

[Greg Hermann]

At 2:29 PM 8/8/02, Dave Dahlgren wrote:
>if the clock period is 16 ms. it ought to work ok that is all that a haltech
>has/had and they ran fine. closest increment you could tune was 0.0625 ms.
>Accell /DFI was about the same every step was 0.064 ms. In the DFI stuff I used
>to work with you acutally enetred steps. #'s from 0 to 255...
>Dave

64 us granularity is WAY to course for big injectors at idle. GMecm's use
16 us, the good aftermarket units use 8 us. I wouldn't mind having 4 us or
even 2 us granularity.

Greg
>
>Les Dittert wrote:
>>
>> I tried several archive searches, but didn't see any mentioning if
>> 8 bits would be too coarse. My gut feeling is that I could live with
>> 256 steps.
>> Would it be noticeable during mild throttle settings?



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