The paper introduces the development of ECU malfunction diagnosis instrument for electronic control engine based on the 16 bit MCU MC9S12DP256, the hardware construction and software design is given.
介绍了基于16位单片机MC9S 12dp256的电控发动机ecu故障诊断仪的开发，阐述了其硬件设计及软件开发。
The paper introduces the development of ECU malfunction diagnosis instrument for electronic control engine based on the 16 bit MCU MC9S12DP256, the hardware construction and software design is given.
介绍了基于16位单片机MC9S 12dp256的电控发动机ecu故障诊断仪的开发，阐述了其硬件设计及软件开发。
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