The X-NUCLEO-SPINAND-TOSH board is the Toshiba TC58CVG2S0HRAIF 4Gb SPI NAND Flash evaluation board (shield) for STM32 Nucleo boards. It is compatible with the Arduino UNO R3 connector layout. The X-NUCLEO-SPINAND-TOSH interfaces the memory with the STM32 MCU via SPI pin, and the user can change the default SPI clock.