1981-02-01

Cost Effective Engine Controls 810157

Hardware and software techniques are explored which allow the use of the Motorola MC6805 family of single chip microcomputers in a low cost full engine control application. A phase lock loop hardware technique is presented in which all engine timings for an electronic low pressure fuel injection system are calculated in terms of crankshaft angles.
Future MC6805 based engine control systems are discussed employing a multiple processor approach to cost effective engine controls.

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