IGNITION DEVICE FOR SHIP
PURPOSE:To improve the performance and durability by providing a microprocessor with the driving functions of an ignition driving device corresponding to the ignition time calculated on the detection signal of an operating condition and by allowing the individual functions to work at a unit angle pu...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To improve the performance and durability by providing a microprocessor with the driving functions of an ignition driving device corresponding to the ignition time calculated on the detection signal of an operating condition and by allowing the individual functions to work at a unit angle pulse. CONSTITUTION:An LSI 27 containing a memory circuit 29, control circuit 35, and 16 bit binary counter 37, etc. is constituted so as to receive signals from an oscillation circuit 1 and OR circuit 4 and to control an ignition driving circuit 20, and the signal from an A/D converter 19 receiving a throttle analog signal, etc. and a pulse signal 11 from a crank angle sensor are input into the circuit 4. The ignition time, etc. are calculated in the LSI 27 based on the signal from the circuit 1, and the circuit 20 is driven at a predetermined time in response to the input from the circuit 4. The counter 37 of the LSI 27 is used with the timing of the circuit 1, thereby the computation precision and reliability can be improved. |
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