SPI(x1/x2/x4) NAND Flash 1G GD5F1GQ4xExIS DATASHEET 1 SPI(x1/x2/x4) NAND Flash 1G Contents 1 FEATURE ........................................................................................................................................................... 4 2 GENERAL DESCRIPTION ............................................................................................................................... 5 2.1 PRODUCT LIST ............................................................................................................................................................... 6 2.2 CONNECTION DIAGRAM .................................................................................................................................................. 6 2.3 PIN DESCRIPTION ........................................................................................................................................................... 7 2.4 BLOCK DIAGRAM ........................................................................................................................................................... 8 3 ARRAY ORGANIZATION ................................................................................................................................. 9 3.1 MEMORY MAPPING ..................................................................................................................................................... 10 4 DEVICE OPERATION ..................................................................................................................................... 11 4.1 SPI MODES ................................................................................................................................................................ 11 4.2 HOLD MODE ............................................................................................................................................................. 12 4.3 WRITE PROTECTION ..................................................................................................................................................... 12 5 COMMANDS DESCRIPTION ......................................................................................................................... 13 6 WRITE OPERATIONS .................................................................................................................................... 14 6.1 WRITE ENABLE (WREN) (06H) ..................................................................................................................................... 14 6.2 WRITE DISABLE (WRDI) (04H) ..................................................................................................................................... 14 7 FEATURE OPERATIONS ............................................................................................................................... 15 7.1 GET FEATURES (0FH) AND SET FEATURES (1FH) ............................................................................................................... 15 8 READ OPERATIONS ...................................................................................................................................... 17 8.1 PAGE READ ................................................................................................................................................................. 17 8.2 PAGE READ TO CACHE (13H) ......................................................................................................................................... 17 8.3 READ FROM CACHE (03H OR 0BH) ................................................................................................................................ 18 8.4 READ FROM CACHE X2 (3BH) ........................................................................................................................................ 18 8.5 READ FROM CACHE X4 (6BH) ........................................................................................................................................ 19 8.6 READ FROM CACHE DUAL IO (BBH) ............................................................................................................................... 19 8.7 READ FROM CACHE QUAD IO (EBH) ............................................................................................................................... 20 9 READ ID ........................................................................................................................................................... 21 9.1 READ ID (9FH) ........................................................................................................................................................... 21 9.2 READ UID .................................................................................................................................................................. 22 9.3 READ CID................................................................................................................................................................... 25 9.4 READ PARAMETER PAGE ............................................................................................................................................... 26 10 PROGRAM OPERATIONS ......................................................................................................................... 31 10.1 PAGE PROGRAM ........................................................................................................................................................ 31 10.2 PROGRAM LOAD (PL) (02H) ....................................................................................................................................... 32 2