Title:
CONTROL METHOD, DEVICE, CHIP, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/081686
Kind Code:
A1
Abstract:
A control method, a device, a chip, and a storage medium, the method comprising: the power supply voltage of a chip is acquired; when the power supply voltage is less than a preset voltage threshold, a flash memory controller in the chip is turned off, the flash memory controller being connected to a flash memory, and the initial state of data in the flash memory being read-only; and when the flash memory acquires an unlocking instruction sent by the flash memory controller, the flash memory may respond to a writing and/or erasing instruction. By means of the described embodiment, on the basis of not increasing hardware costs, an external memory may be effectively protected against power failure.
Inventors:
GAO JUNZHANG (CN)
WANG DEJUN (CN)
JIANG FAN (CN)
WANG DEJUN (CN)
JIANG FAN (CN)
Application Number:
PCT/CN2019/113540
Publication Date:
May 06, 2021
Filing Date:
October 28, 2019
Export Citation:
Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
G11C16/02; G11C7/24
Foreign References:
| CN206401032U | 2017-08-11 | |||
| CN1292553A | 2001-04-25 | |||
| TW397981B | 2000-07-11 | |||
| US9245619B2 | 2016-01-26 |
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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