MULTI-RANK SDRAM CONTROL METHOD AND SDRAM CONTROLLER

摘要

Multi-rank SDRAM control method for controlling a multi-rank SDRAM, which is formed by connecting data ports of a plurality of SDRAM devices (100), wherein in each of the plurality of SDRAM devices (100) only one data mask signal of the SDRAM device ( 100) a rank to be accessed is negated, thereby performing access to the rank, and wherein at least two of the SDRAM devices (100) are in different ranks.