G - Physics – 06 – F
Patent
G - Physics
06
F
354/239
G06F 12/10 (2006.01)
Patent
CA 2032746
A predetermined number of logical page addresses are effectively translated into corresponding real ones. The number of the logical page addresses is determined by (M+N) bits and, each of the logical page addresses includes upper M-bit and lower N-bit. Logical page address registers, whose number is equal to 2N, are provided to respectively store the predetermined number of logical page addresses applied. Address translation buffers (whose number is also equal to 2N) each stores 2M real page addresses which are grouped according to each of the lower N bits. The address translation buffers receive the upper M-bit of one of the logical page addresses, and output real addresses. An address translation controller receives the outputs of the address translation buffers and also receives the lower N-bit, and selects the real page addresses using the lower N-bit. The selected real page addresses are applied to a plurality of real address registers. A page number comparator determines whether or not the upper M- bit of one of the logical page address coincides with the upper M-bit of each of the remaining logical page addresses. The page number comparator outputs the comparison results which allow the real address(es) stored in the real address registers to be applied to a main memory.
Corporation Nec
Smart & Biggar
LandOfFree
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