GD25Q256E - Dual and Quad Serial Flash
5 3 MEMORY ORGANIZATION8 4 DEVICE OPERATIONS9 4.1 SPI MODE 9 4.2 HOLD FUNCTION 9 4.3 RESET FUNCTION 10 5 DATA PROTECTION11 6 REGISTERS12 6.1 STATUS REGISTER 12 6.2 EXTENDED ADDRESS REGISTER 16 7 COMMAND DESCRIPTIONS17 7.1 WRITE ENABLE (WREN) (06H) 22 7.2 WRITE DISABLE (WRDI) (04H) 22 7.3 READ
