| 摘要 |
PROBLEM TO BE SOLVED: To provide a circuit group control system including a control mechanism for performing the control to increase an operation rate of each circuit when the processing corresponding to a plurality of sequences of commands received from a master processor is performed on the circuits such as a slave processor and a DMA controller. SOLUTION: When the assignment of the sequences of commands A0, A1 wherein a Read DMA command for the DMA controller, a SP start command for the slave processor and the like are successively arranged, is received from a master processor, this circuit group control system allows the slave processor to execute the SP start command in the sequence of command A0 after the DMA controller executes the Read DMA command in the sequence of command A0, and at that time, the DMA controller is allowed to execute the Read DMA command when it is detected that the DMA controller is in a non-operating condition, and the Read DMA command in the sequence of command A1 is ready to be executed, whereby the both sequences of commands are executed in parallel. COPYRIGHT: (C)2003,JPO
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