This paper mainly introduces the design of an ignition coil data acquisition and processing system. The system uses a PC as the host computer, uses DSP to collect field data at high speed, and communicates with the host computer PCI bus through the HPI host communication interface using PCI9052, which can meet the processing requirements of a large amount of real-time data. [Keywords] DSP conversion rate HPI interface For many years, most of the test equipment in the domestic automobile industry is still relatively backward, and product quality has always been difficult to improve effectively. In order to meet the needs of the rapid development of the automobile industry, it is necessary to vigorously improve and improve the measures to test the quality of automobile products. The ignition coil is a key part of the automobile product, which directly affects the power and economy of the automobile. Advanced test equipment with full functions, high precision and good reliability is required to ensure good quality. In recent years, with the rapid development of informatization and computer science and technology, the data that needs to be processed is getting larger and larger, and the requirements for real-time performance and precision are getting higher and higher. Low-end single-chip microcomputers can no longer meet the requirements. As the performance of various integrated single-chip DSPs is continuously improved, software and development tools are becoming more and more numerous and better, and the price has dropped significantly. The application field of DSP is becoming more and more extensive, which has promoted the development of ignition coil data acquisition and processing systems with DSP chips as the core.
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