Memory card and non-volatile memory controller thereof

Details Memory card and non-volatile memory controller thereof Memory card and non-volatile memory controller thereof

2011-04-12

2011-04-12

Nguyen, Dang T (Department: 2824)

Static information storage and retrieval

Read/write circuit

Having particular data buffer or latch

C365S189011, C711S103000

Reexamination Certificate

active

07924631

ABSTRACT:
A memory card and a non-volatile memory controller thereof are provided. The non-volatile memory controller includes a firmware download port group, a memory interface unit, a processing unit, and a host interface unit. The firmware download port group is used for coupled to a firmware update fixture. The memory interface unit includes at least one tri-state buffer component, and the memory interface unit is coupled to a non-volatile memory and the firmware download port group through the tri-state buffer component, wherein the tri-state buffer component determines whether to operate in a high-impedance mode or a normal mode according to a mode single. The processing unit accesses the non-volatile memory through the memory interface unit. When the tri-state buffer component operates in the high-impedance mode according to the mode single, the firmware update fixture writes a new firmware into the non-volatile memory through the firmware download port group.

REFERENCES:
patent: 5579522 (1996-11-01), Christeson et al.
patent: 5596738 (1997-01-01), Pope
patent: 5781921 (1998-07-01), Nichols
patent: 6243789 (2001-06-01), Hasbun et al.
patent: 7180803 (2007-02-01), Santin
patent: 2007/0123192 (2007-05-01), Sinai

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