Has anyone connected SPI (25XXX FRAM) to the ZX?

Hello, The Exploited Another day - another demo =( In general, I mastered reading and writing I'm trying to figure out write protection it turns out something like this I tell him remove the protection { enable writing, write to status register 80 h read status status, if equal, start recording) everything happens... I then read the chip on the programmer reads the area from 0000 to 02FF and stops, says something happened error data from 0000 to 02ff correspond to what was written... but it is possible to bring the microcircuit out of such a stupor only by using the command complete erase.... how to work with protection?