Method for performing memory access management, and associated memory device and controller thereof
A method for performing memory access management includes: with regard to a same Flash cell of a Flash memory, receiving a first digital value outputted by the Flash memory, requesting the Flash memory to output at least one second digital value, wherein the first digital value and the at least one second digital value are utilized for determining information of a same bit stored in the Flash cell, and a number of various possible states of the Flash cell correspond to a possible number of bit(s) stored in the Flash cell; based upon the second digital value, generating/obtaining soft information of the Flash cell, for use of performing soft decoding; and controlling the Flash memory to perform sensing operations by respectively utilizing a plurality of sensing voltages that are not all the same, in order to generate the first digital value and the second digital value.
Silicon Motion Inc.
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Hsiao-Te Tsung-Chieh Wen-Long
Chang Yang Wang