| 摘要 |
PURPOSE:To secure the consistency of a general-use computer and an ambient device without reducing a processing efficiency by providing two prescribed modes at a central processing unit. CONSTITUTION:A central processing unit 101 has the first mode to process a data part and a corresponding tug part as the data equipped with a different address and the second mode to process the data part and the corresponding tug part as the data equipped with the same address. A memory control device 102 controls so that at the first mode, the data part and the tug part can be accessed by the different address and at the second mode, the data part and the tug part can be accessed by the same address. Consequently, by the first mode, the consistency of other general-use computer and the ambient device are secured and at the time of the internal processing, the efficient processing can be executed by using the second mode.
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