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DATA TRANSFER CONTROL DEVICE, DATA TRANSFER DEVICE, DATA TRANSFER CONTROL METHOD, AND SEMICONDUCTOR INTEGRATED CIRCUIT USING RECONFIGURED CIRCUIT
DATA TRANSFER CONTROL DEVICE, DATA TRANSFER DEVICE, DATA TRANSFER CONTROL METHOD, AND SEMICONDUCTOR INTEGRATED CIRCUIT USING RECONFIGURED CIRCUIT
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机译:使用重新配置的电路的数据传输控制设备,数据传输设备,数据传输控制方法和半导体集成电路
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摘要
A semiconductor integrated circuit ensures to reserve a required memory bandwidth at low cost. A memory bandwidth monitoring unit 1210 calculates a required memory bandwidth, monitors the usage condition of the memory, and outputs the following information to a reconfiguration control unit 1120. The information is necessary to reconfigure a reconfiguration unit 1110 into a logic unit and a temporary buffer both of which are scalable depending on the usage condition. According to information, the reconfiguration control unit 1120 controls the reconfiguration unit 1110. The buffer is for storing data accessed to or from the memory by each bus master. The logic unit acts as a bus master that only uses a portion of the memory bandwidth that remains unused during the time no access request to the data storage unit 1002 issued by a bus master unit having a higher priority level is being executed.
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