Q. Can I use FlexSPI like LPSPI to access variant SPI devices unlike flash?
A. Basically, the FlexSPI module is dedicated to communicate with Flash-like serial devices. It has a set of dedicated features (like LUT command sequences) for such type of accesses. For SPI communication with a "generic" (non-Flash) SPI devices, the LPSPI module should be used.
Q. For FlexSPI, does LUT (Look Up Table) command must be sent firstly before sending any data to device?
A. For any FlexSPI access operation, the corresponding LUT command sequence must be associated. Then it is executed automatically when the corresponding access operation is triggered.
Q. If so, for some devices without read/wirte/erase commands will not be able to use FlexSPI, right?
A. Yes, this is right.
Have a great day,
Artur
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