Address conversion of data processing device

摘要

The device converts the virtual address 80 including the virtual tag portion 88 and the virtual address portion 86 into a physical address 82 including the physical tag portion 982 and the physical address portion 990. A circuit 70 is provided. The address conversion circuit includes an address tag conversion circuit 72 that converts the virtual tag portion to the physical tag portion, and the address conversion to be performed is selected depending on the virtual address.