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Non-volatile storage device and control method thereof

A non-volatile, storage device technology, applied in information storage, static memory, read-only memory, etc., can solve problems such as inability to support storage units, limit the application range of non-volatile storage devices, etc.

Active Publication Date: 2008-01-16
ADATA
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  • Abstract
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Problems solved by technology

Since each storage unit has its unique operating voltage range, if the power management unit 110 can only adjust the external voltage VEXT according to the inherent detection voltage, and when storage units with different specifications are used in the non-volatile storage device, the power management unit 110 will not be able to support storage units of different specifications, resulting in limited application range of non-volatile storage devices

Method used

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  • Non-volatile storage device and control method thereof
  • Non-volatile storage device and control method thereof
  • Non-volatile storage device and control method thereof

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Embodiment Construction

[0050] Please refer to FIG. 2 , which is a schematic block diagram of the non-volatile storage device of the present invention. The non-volatile storage apparatus 20 includes a storage controller 21 and a memory unit 22 . The storage device controller 21 is connected to the application device (application device) 10 outside the non-volatile storage device 20 to receive the external voltage (external voltage) V provided by the application device 10 for the operation of the non-volatile storage device 20. S , and as a bridge for transmitting digital information between the non-volatile storage device 20 and the application device 10 . The storage unit 22 is connected to the storage device controller 21 for storing the digital information input by the application device 10. The storage unit 22 may be a non-volatile memory unit, ie at least includes one non-volatile memory. Wherein, the external voltage Vs is the power supply voltage of the non-volatile storage device 20 .

[00...

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Abstract

The invention relates to a nonvolatile storage device and the control method thereof, which, resorting to identification code of storage unit itself, generates control signals to enable power source control and switch circuit in power source management unit to control a second boost-up circuit, so as to enhance the voltage level of external voltage or control a second stabilization voltage, in order to stabilize or lower voltage level of external voltage according to the voltage level of control signal and external voltage, thus generating voltage level needed in the operation of storage unit and supporting storage units of different specifications.

Description

technical field [0001] The invention relates to a storage device, in particular to a non-volatile storage device and a control method thereof. Background technique [0002] Non-volatile memory storage apparatus (non-volatile memory storage apparatus), such as memory card (memory card), is increasingly miniaturized; its application is becoming more and more extensive, and it is gradually widely used by portable devices. In order to meet the needs of portable applications, such as "mobile phone", the volume of the memory storage device is also becoming thinner and smaller, and reduce its power consumption; to meet the needs of users who want to reduce the size of the product and extend the battery life . Therefore, there are new products that not only have the function of adjusting the power supply voltage of the memory storage device, but also have the development of adjusting the interface signal level. [0003] Please refer to FIG. 1 , which is a functional block diagram ...

Claims

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Application Information

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IPC IPC(8): G11C16/06G11C16/30
Inventor 谢祥安陈立白陈明达
Owner ADATA
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