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软件复位失效 #45
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看着是这款 Flash 没有遵循标准嘛 |
这个芯片是否遵循标准我就不知道了! 移植SFUD后 首先是复位不成功。然后整片擦除指令立即反回而扇区擦除是OK的,我们自己写的驱动程序同样只可以扇区擦除不可整片擦除。
…------------------ 原始邮件 ------------------
发件人: "armink/SFUD" <[email protected]>;
发送时间: 2020年10月22日(星期四) 中午1:51
收件人: "armink/SFUD"<[email protected]>;
抄送: "236074230"<[email protected]>;"Author"<[email protected]>;
主题: Re: [armink/SFUD] 软件复位失效 (#45)
看着是这款 Flash 没有遵循标准嘛
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是有这个问题,SFUD里复位使能命令后有读状态的操作导致不能复位,要求复位使能命令接着复位命令,中间不能有其他的命令操作 |
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某些FLASH,例如 CYPRESS S25HL01GT 要求 发送 0x66 命令后 必须紧接着发送 0x99 命令才能复位,中间不能插入其他命令。
并且要复位后才能使用 0x9F 命令读取信息。
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