I am having trouble understanding the Macronix MX25U12832F's datasheet. It has write protection features, but I am looking for support for a WP mode that, once enabled, lasts until the power is cycled or the chip is reset. Winbond SPI flash chips have such a feature and their datasheets clearly explain their WP modes. Does the datasheet say that this kind of write protection is available?
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It doesn't say so it might indicate such a mode is not available. Not all SPI flashes have compatible features beyond the basic commands, and sometimes even a basic thing like full chip erase might be different. – Justme Mar 14 '23 at 17:23