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各位好
其它几家芯片一般通过非易失寄存器、易失寄存器,或者是扩展地址,这三种方式进入或者退出4 byte addr、以及配置quad enable/dis。
我司应用模型大部分通过非易失寄存器/易失寄存器,配置芯片的4 byte addr的进入和退出,以及quad enable/disable等。
我司研发工程师在使用cypress的flash过程中,发现256/512Mb flash的进入和退出4 byte addr模式的命令其它三家的型号有差异,请帮忙确认是否可以做到统一,谢谢。
MT25QL512ABB8E12-0SIT/512Mb SPI |
MX25L51245GXDI-08G |
W25Q512JVBIQ |
S25FL512SAGBHIC10 |
下面是1.8V
MX25U25645GXDI00/256Mb SPI FLASH |
MT25QU256ABA8E12-1SIT/256Mb/FLASH |
S25FS256SAGBHI200/256Mb/SPI |
W25Q256JWBIQ |
Solved! Go to Solution.
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Hi,
Cypress S25FL512S does not have the following commands to enter 4-BYTE ADDRESS MODE Operations of Micron.
=======
4-BYTE ADDRESS MODE Operations
・ENTER 4-BYTE ADDRESS MODE: B7h
・EXIT 4-BYTE ADDRESS MODE: E9h
=======
Cypress S25FL51S accepts 32bit addresses by inputting the following 4Byte Address command.
No prior register setting is required.
Also, there is no need for 4-BYTE ENTER / EXIT commands like Micron.
Thanks and regards,