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QuadSPI0 cacheable write-back

Question asked by Eugene Ryabtsev on Aug 7, 2015
Latest reply on Aug 17, 2015 by Eugene Ryabtsev

According to page 1158 of Vybrid Reference Manual (F-Series; VYBRIDRM Rev 7, 06/2014), memory range from 0x20000000 to 0x2FFFFFFF is QuadSPI0 and "cacheable write-back".


My question is: "write-back" to what? Probably not to flash. Can we put some ferromagnetic memory in there and work with it just like with normal memory, but non-volatile? Where do I read more about this kind of setup? Are there any examples?


Or is does this mean something else?