SPI nor flash protocol, SPI NOR controlle, NOR Flash Drivers NOR serial memory

 MX25L Series 3 V 4 Mb (x 1/x 2) 86 MHz Industrial Serial Flash -USON-8

https://www.futureelectronics.com/p/semiconductors--memory--flash--norflash--serial/mx25l4006ezui-12gtr-macronix-5100457