Patent ID: 6393512
Filing Date: 2002-05-21
Classification: G06F

Abstract:
A bank conflict detector having an output bus, a first address input bus for carrying a to-be-issued address, a second address input bus for carrying a previously issued address, and a bank conflict output bus, the bank conflict detector including:a plurality of exclusive OR gates coupled to the first address input bus and the second address input bus, each exclusive OR gate having an output line; a same bank detection unit coupled to the output line of each exclusive OR gate, the same bank detection unit driving a signal active on the bank conflict output bus when the to-be-issued address and the previously issued address identify the same bank; and an adjacent bank detection unit coupled to each of the first address input bus, the second address input bus, and to the output line of each exclusive OR gate, the adjacent bank detection unit driving a signal active on the bank conflict output bus when the to-be-issued address and the previously issued address identify immediately adjacent banks in main memory.