S79FL256S Datasheet, Infineon

* Density - 256 Mb (32 MB) - 512 Mb (64 MB)
* SPI - SPI clock polarity and phase modes 0 and 3 - DDR option - Extended addressing: 24- or 32-bit address options <.

................................................................................................................................................6 2 SPI with multiple input / output (SPI-MIO) dual-quad...................................................