Importance

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Abstract

A controller circuit for a non-volatile memory of one or more memory circuits is described. The controller is connectable by a port with the memory circuits through a bus structure and can operate the memory circuits according to one or more threads. The controller includes a command processing section to issue high level commands for execution in the memory circuits and a memory circuit interface module to issue in sequence by the port to the memory circuits a series of instruction derived from the high level commands. A queue manager on the controller derives the series of instructions from the high level commands. When deriving a series of instruction from a set of high level data access commands, the queue manager can modify the timing for the issuance to the memory circuit interface module of memory circuit check status instructions based upon feedback from the memory circuit interface module and the state of earlier instruction in the series.

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First Claim