FW: Electromotive question
Atkinson, David
DATKINSO at COSMPDGATE.CO.SYMBIOS.COM
Mon Jul 14 16:26:14 GMT 1997
Yup. It's called a HREIC ("hirec") chip - it's an ASIC developed by
Electromotive (or so they claim...) that determines engine speed,
position and acceleration in hardware. It stands for High Resolution
Electronic Ignition Controller. I think you'd have a real tough time
getting your hands on one... but if you were to design your own...
Not sure about the status of any related patents - it might be
worthwhile to investigate since the use of a device like this makes
programming the ECU so much easier, and you can probably use
a slower, less capable microcontroller (less expensive) with this
approach.
My $.02
----------
From: mcosta
Sent: Monday, July 14, 1997 10:04 AM
To: diy_efi
Subject: Electromotive question
The electromotive manual says that the tec-II uses some sort of
other
processor besides an hc-11 (I think) to calculate fuel and spark
information, relieving the burden from the microcontroller. My
question is does any one know who makes this secondary processor and
what its called.
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