Firmware code execution method, memory storage device and memory control circuit unit

A technology for controlling circuits and storage devices, which is applied in the field of memory storage devices and memory control circuit units, and the execution of firmware codes, and can solve the problems that the firmware codes of read-only memories cannot be corrected or updated.

Pending Publication Date: 2020-11-17
PHISON ELECTRONICS
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  • Abstract
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However, this approach also causes the firmware code in th

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  • Firmware code execution method, memory storage device and memory control circuit unit
  • Firmware code execution method, memory storage device and memory control circuit unit
  • Firmware code execution method, memory storage device and memory control circuit unit

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Embodiment Construction

[0019] Reference will now be made in detail to the exemplary embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used in the drawings and description to refer to the same or like parts.

[0020] figure 1 is a schematic diagram of a memory storage device according to an exemplary embodiment of the present invention. Please refer to figure 1 , the memory storage device 10 includes a memory control circuit unit 11 and a rewritable non-volatile memory module 12 . The memory control circuit unit 11 is connected to a rewritable nonvolatile memory module 12 . The memory control circuit unit 11 may include at least one control chip and is used to control the rewritable non-volatile memory module 12 . In an exemplary embodiment, the memory control circuit unit 11 can also be used to control the entire or partial operations of the memory storage device 10 . The rewritable non-vol...

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Abstract

The invention provides a firmware code execution method, a memory storage device and a memory control circuit unit. The method comprises the following steps: executing a firmware code in a read-only memory; after executing the first part of the firmware code, querying reference information in a reference memory according to index information in the firmware code; and determining to continue to execute the second part of the firmware code or switch to execute the alternative program code in the reference memory according to the reference information so as to finish the startup program. Therefore, the use flexibility of the memory storage device (or the memory control circuit unit) can be improved, and/or the service life of the memory storage device (or the memory control circuit unit) canbe prolonged.

Description

technical field [0001] The invention relates to a memory management technology, in particular to a firmware code execution method, a memory storage device and a memory control circuit unit. Background technique [0002] Digital cameras, mobile phones, and MP3 players have grown rapidly in recent years, making consumers' demand for storage media also increase rapidly. Since the rewritable non-volatile memory module (for example, flash memory) has the characteristics of data non-volatility, power saving, small size, and no mechanical structure, it is very suitable for built-in Among the various portable multimedia devices listed above. [0003] Most memory storage devices or their control chips store firmware codes for booting. When starting up, the control chip of the memory storage device can execute the firmware code, so as to complete the booting procedure or startup procedure such as system initialization. Generally speaking, before the memory storage device or its con...

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Application Information

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IPC IPC(8): G06F9/4401G06F9/445G11C17/16
CPCG06F9/4401G06F9/44505G11C17/16
Inventor 李宜峰凌君瑜
Owner PHISON ELECTRONICS
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