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请问 AWR1642 参考设计板外扩的的FLASH，可以用来存储用户数据吗？有相关文档吗？谢谢！
可以的，通过QSPI，以下文档也参考看一下：
C:\mmwave_sdk_03_05_00_04-Windows-x86-Install\mmwave_sdk_03_05_00_04\packages\ti\drivers\qspiflash\src
https://www.ti.com/lit/an/sprach9c/sprach9c.pdf
