Doing the same thing with a Philips 80C552 micro, a Motorola 68HC11 would be
another option - they were developed for the early GM ECUs.
Jeff - I take it you're not including programming time in your $ calc's :)
I'm interested to hear how you plan to run it - is there a throttle or vacuum
sensor to simulate vacuum advance ? Also, are you using EPROMs or RAM and
'dial-as-u-drive'
?
DF
>I'm also developing a engine management system (Sequential EFI and
>electronic ignition) except I�m using the Atmel AT89S8252 micro � I s>tarted
>out using a PIC micro but dropped them in favour of the Atmel one as ther>e
>have more memory there faster and are CHEAP !!! � check out
>
>I�m using hall effect sensors to pick up where the engine is / and it�>s RPM
>you can buy them from Dick Smiths and design the circuitry to run them. >
>Hopefully I�ll have the system going soon and at a total cost of about >$100
>for the control unit it�s much cheaper than a MOTEC system�..
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