| 摘要 |
PURPOSE:To provide an electronic controller which synthetically control an internal combustion engine and can be also applied to an internal combustion engine having a different number of cylinders through a simple circuit. CONSTITUTION:A reference register 404 is provided in a pulse output circuit 126 which is a part of an input/output unit, which has a function of converting the signals of a plurality of engine running condition detectors into parallel bunary codes and transmitting the codes to a microprocessor, and another function of receiving parallel binary cides indicative of a plurality of engine control instructions calculated on the ground of the former codes and converting the latter codes into a time width, a current level, etc. nescessary to control the engine. A number corresponding to that of the cylinders of the engine is set on the reference register 404. Pulses, each of which is produced when the engine performs one rotation, are counted by an instantaneous register 422. It is detected by a comparator 482 that the counted number becomes equal to the value set on the reference register 404. The fuel injection is started or the calculation is interrupted depending on the output of the comparator 482. |
