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Embedded flash memory power regulation method in microcontroller

A technology embedded in flash memory and microcontrollers, applied in instruments, information storage, read-only memory, etc., can solve problems such as inability to generate voltage

Active Publication Date: 2020-10-27
NANJING UCUN TECHNOLOGY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The charge pump in the embedded NAND / NOR flash sub-module cannot generate a high enough voltage when the input voltage of the charge pump is unstable and the jitter is too low

Method used

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  • Embedded flash memory power regulation method in microcontroller
  • Embedded flash memory power regulation method in microcontroller
  • Embedded flash memory power regulation method in microcontroller

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Embodiment Construction

[0026] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0027] It should be noted that the terms "comprising" and "having" in the description and claims of the present invention and the above drawings, as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, including a series of steps or units A process, method, device, product or device is not ne...

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Abstract

The invention discloses a flash memory power regulation method embedded in a microcontroller, which utilizes a power management circuit to realize low power consumption operation of a flash memory system. The power management circuit and the flash memory module are provided with a multiplexer, through the multiplexer, the output voltage of the power management circuit or an optional voltage is selectively output to the high-voltage circuit embedded in the flash memory to help improve the performance of the charge pump. This improves the stability of operations such as data writing and erasing, and saves system power consumption.

Description

technical field [0001] The invention relates to the technical field of embedded flash memory of microcontrollers, in particular to a method for adjusting power supply of embedded flash memory in microcontrollers by using high-efficiency embedded PMICs. Background technique [0002] Technologies based on the Internet of Things, artificial intelligence, and driverless driving are driving the rapid growth of the embedded storage market. Big data of the Internet of Things promotes the demand for industrial "smart edge". Today, from smart factories, smart cities, smart transportation, to smart monitoring, and every edge node, industrial equipment with data configuration is connected to cloud servers through smart network terminals, generating a lot of Internet data. Smart IoT requires more frequent reading and writing of data from microcontrollers, which typically use embedded flash memory to store information. Embedded NOR / NAND flash memory not only saves the instruction sourc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F1/3234G11C5/14G11C16/30
CPCG06F1/3275G11C5/147G11C16/30
Inventor 丛维杨源金生
Owner NANJING UCUN TECHNOLOGY INC
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