Data processing device and data processing method
AssigneeRicoh Company, Ltd.
InventorYoshikazu GYOBU
Life of this patent
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Abstract
A data processing device includes a first sub-arbiter configured to arbitrate an access by first and second masters that access data stored in a memory; a second sub-arbiter configured to arbitrate an access to the memory by a plurality of masters other than the first and the second masters; a main arbiter configured to prioritize the access to the memory by the first sub-arbiter over the access to the memory by the second sub-arbiter; and a limiting unit configured to limit an amount of the access to the memory by the second master within a preset range.
Claims11
A data processing device, comprising:
- a first sub-arbiter configured to arbitrate an access by first and second masters that access data stored in a memory;
- a second sub-arbiter configured to arbitrate an access to the memory by a plurality of masters other than the first and the second masters;
- a main arbiter configured to prioritize the access to the memory by the first sub-arbiter over the access to the memory by the second sub-arbiter;
- and
- a limiting unit configured to limit an amount of the access to the memory by the second master within a preset range.
A data processing method in a data processing device that includes a first sub-arbiter configured to arbitrate an access by first and second masters that access data stored in a memory, and a second sub-arbiter configured to arbitrate an access to the memory by a plurality of masters other than the first and the second masters, the data processing method comprising:
- prioritizing the access to the memory by the first sub-arbiter over the access to the memory by the second sub-arbiter;
- and
- limiting an amount of the access to the memory by the second master within a preset range.
Dependencies are inferred from the claim text.