Image Number 11 for United States Patent #8122192.
The data processing apparatus according to an embodiment of the present invention includes: a first processor; a second processor; and an external RAM to/from which the first processor writes/reads data, the first processor including a cache memory for storing data used in the first processor in association with an address on the external RAM, and the data being written to the cache memory by the second processor not through the external RAM.
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