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Control method and electronic apparatus employing same

A control method and electronic device technology, applied in the field of control, can solve problems such as setting errors, wrong access results, etc.

Active Publication Date: 2013-11-13
WINBOND ELECTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, after a period of time, if the operating voltage has not yet reached the preset level, and the memory cell operates according to the insufficient operating voltage, it may cause its own setting error
Furthermore, when other components of the electronic device access the storage unit, erroneous access results will be generated

Method used

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  • Control method and electronic apparatus employing same
  • Control method and electronic apparatus employing same
  • Control method and electronic apparatus employing same

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Embodiment Construction

[0027] In order to make the features and advantages of the present invention more comprehensible, the preferred embodiments are listed below, together with the accompanying drawings, and are described in detail as follows:

[0028] In order to avoid the setting error of the storage unit itself caused by insufficient operating voltage, the present invention reads a specific information in the storage unit after the storage unit receives the operating voltage, and compares the read result with a known information. Compare. If the comparison results are the same, it means that the level of the operating voltage is sufficient for the memory cell to perform a normal access operation, thus making the memory cell enter an operation mode. In the operating mode, the memory unit can carry out its own parameter setting.

[0029] Conversely, if the comparison result is different, it means that the level of the operating voltage is not enough for the memory cell to perform normal access o...

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Abstract

The invention provides a control method and an electronic apparatus employing the same. The control method is suitable for use in the electronic apparatus. The electronic apparatus comprises a memory cell; the memory cell is provided with a memory array; and the memory array has specific information. The control method provided by the invention comprises outputting an enable signal when the electronic apparatus is operated in a power-on mode and an operation voltage is generated; reading the specific information according to the enable signal so as to generate a read result; determining whether the read result is equal to known information or not; and allowing the memory cell entering the operation mode when the read result is equal to the known information.

Description

technical field [0001] The present invention relates to a control method, in particular to a control method for ensuring that the operating voltage of the storage unit is ready. Background technique [0002] Many current electronic devices usually have a storage unit for storing data. When the electronic device enters the power-on mode, the storage unit will set its own state according to an operating voltage. Generally speaking, the operating voltage should reach a preset level after a period of time. [0003] However, after a period of time, if the operating voltage has not yet reached the preset level, and the memory cell operates according to the insufficient operating voltage, it may cause its own setting error. Furthermore, when other components of the electronic device access the storage unit, erroneous access results will be generated. Contents of the invention [0004] The invention provides a control method suitable for an electronic device, the electronic dev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11C7/22
Inventor 许增钜颜定国
Owner WINBOND ELECTRONICS CORP