此应用程序的某些内容目前无法使用。
如果这种情况持续存在,请联系我们反馈与联系
1. (CN107608905) 擦写Flash数据的方法及装置

专利局 : 中国
申请号: 201710811896.5 申请日: 11.09.2017
公布号: 107608905 公布日: 19.01.2018
公布类型: A
国际专利分类:
G06F 12/02
G06F 21/60
G PHYSICS
06
计算;推算;计数
F
电数字数据处理
12
在存储器系统或体系结构内的存取、寻址或分配(信息存储本身入G11)
02
寻址或地址分配;地址的重新分配
G PHYSICS
06
计算;推算;计数
F
电数字数据处理
21
防止未授权行为的保护计算机、其部件、程序或数据的安全装置
60
保护数据
申请人: HANGZHOU C-SKY MICROSYSTEMS CO., LTD.
发明人: GAO YINGJUN
TONG QIJIE
LI CHUNQIANG
MAO HAN
优先权数据:
标题: (EN) Method and device for erasing Flash data
(ZH) 擦写Flash数据的方法及装置
摘要: front page image
(EN) The invention provides a method and a device for erasing Flash data. The method comprises the following steps that: reading an instruction for erasing Flash data, wherein the instruction for erasing Flash data carries the initial address information and the end address information of Flash of which needs to be operated by the instruction; inquiring whether the initial address information and the end address information of the Flash which is practically operated are in an address information table or not, wherein the address information table comprises the initial address information and the end address information of a Flash address interval which permits to be erased; and according to a query result, normally executing the instruction for erasing the Flash data or stopping executing the instruction for erasing the Flash data. By use of the method, the address of the operated Flash can be subjected to permission setting so as to prevent an illegal operation from tampering the Flash data.
(ZH) 本发明提供一种擦写Flash数据的方法及装置。所述方法包括:读取擦写Flash数据的指令,所述擦写Flash数据的指令携带有所述指令需要操作的Flash的起始地址信息和结束地址信息;查询实际操作的Flash的起始地址信息和结束地址信息是否在地址信息表中,所述地址信息表中包括允许擦写的Flash地址区间的起始地址信息和结束地址信息;根据查询结果正常执行所述擦写Flash数据的指令或者停止执行所述擦写Flash数据的指令。本发明能够对所操作的Flash的地址进行权限设置,从而防止非法操作对Flash数据的篡改。