| 摘要 |
This semiconductor integrated circuit comprises: a system bus which operates with a first clock; a plurality of computation processing devices which are connected to the system bus, and which include a first computation processing device which operates with a second clock; and a control circuit which controls the system bus and the computation processing devices. The control circuit verifies that there is no access from the computation processing devices to the system bus, and thereafter changes the frequency of either the first clock or the second clock. |
