Patent ID: 7752383

Claim:
A single channel NAND flash memory system comprising: a NAND flash memory controller comprising: a data interface, comprising a controller data port for exchanging data; a switch interface for transmitting a switch signal; an action control interface, comprising a controller action port for transmitting an action control signal; a chip enable interface for transmitting chip enable signals, the chip enable interface comprising a plurality of controller chip enable ports, each controller chip enable port transmitting a corresponding chip enable signal; and a status interface for receiving status signals, the status interface comprising a plurality of controller status ports, each controller status port receiving a corresponding status signal; a plurality of NAND flash memory modules, each NAND flash memory module comprising: a data interface coupled to the data interface of the NAND flash memory controller for exchanging data via the controller data port; a chip enable interface for receiving the corresponding chip enable signal; an action control interface coupled to the action control interface of the NAND flash memory controller for receiving the action control signal via the controller action port; and a status interface for transmitting the status signal to the corresponding controller status port; a remap module comprising: a control port coupled to the switch interface for receiving the switch signal; a plurality of first ports, each of the first ports coupled to the corresponding controller chip enable port of the chip enable interface of the NAND flash memory controller for receiving the corresponding chip enable signal; and a plurality of second ports, each of the second ports coupled to the chip enable interface of the corresponding NAND flash memory module and selectively coupled to one of the first ports according to the switch signal, for the corresponding chip enable signal received by the first ports to be transmitted to the chip enable interface of the corresponding NAND flash memory module.