W25Q128FVSIF-TR Datasheet, PDF (22/100 Pages) Winbond – 3V 128M-BIT SERIAL FLASH MEMORY WITH DUAL/QUAD SPI & QPI

W25Q128FV
7.1.14
Reserved Bits – Non Functional
There are a few reserved Status Register bits that may be read out as a “0” or “1”. It is recommended
to ignore the values of those bits. During a “Write Status Register” instruction, the Reserved Bits can be
written as “0”, but there will not be any effects.
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