| 摘要 |
A program is normally executed in each of a plurality of microprocessors. When image data of a three-dimensional object and distance distribution information indicating a distribution of distance between a vehicle and the three-dimensional object are received in a DMA transfer circuit, the normal operation of the microprocessors is interrupted, and the image data and the distance distribution information are written in memories of the microprocessors. Thereafter, the normal operation of the microprocessors is restarted, and information indicating the writing of the image data and the distance distribution information in the memories is sent to the microprocessors. Therefore, the image data and the distance distribution information can be efficiently written in the memories, and the processing in the microprocessors can be smoothly performed.
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