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添加4字节模式指令 修复大容量Flash下Instruction+1的问题
armink
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Mar 13, 2022
| |[W25Q256FV](http://www.winbond.com/resource-files/w25q256fv%20revi%2002262016%20kms.pdf)|Winbond|256Mb|104Mhz|支持|四线|| | ||
| |[W25Q512JV](https://www.winbond.com/resource-files/W25Q512JV%20SPI%20RevG%2001122022Plus.pdf)|Winbond|512Mb|133Mhz|支持|四线| 似乎不支持SFUD 请不要开启| | ||
| |[W25Q01JV](https://www.winbond.com/resource-files/W25Q01JV%20SPI%20RevC%2005032021%20Plus%20dummy.pdf)|Winbond|1024Mb|133Mhz|支持|四线|似乎不支持SFUD 请不要开启| | ||
| |[MX25L3206E](http://www.macronix.com/Lists/DataSheet/Attachments/3199/MX25L3206E,%203V,%2032Mb,%20v1.5.pdf)|Macronix|32Mb|86MHz|支持|双线|| |
Owner
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- 这里的备注是不是改为 SFDP？
- 我看下这些 Flash 是支持 SFDP 的
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如果用sfdp的话，默认读到的instruction是spi 3byte模式的
Owner
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似乎不支持SFUD 请不要开启
是不是改为 "似乎不支持SFDP 请不要开启"
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手册：
所以问题就是SFDP默认读到的命令会和这个寄存器的设置相关吗？
前边W25Q256FV与W25Q256/512/01/02JV都有相似的设计，既然Q256xV能够支持SFDP，后续这些型号没有道理不支持。
后面我有条件可能会做下测试。
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添加4字节模式指令
修复大容量Flash下Instruction+1的问题