SPI(x1/x2/x4) NAND Flash 1Gb
Contents
1 FEATURE ........................................................................................................................................................... 4
2 GENERAL DESCRIPTION ............................................................................................................................... 5
2.1 PRODUCT LIST ........................................................................................................................................................ 6
2.2 CONNECTION DIAGRAM ........................................................................................................................................... 7
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
4.4 POWER OFF TIMING .............................................................................................................................................. 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) ........................................................................................................................ 20
8.7 READ FROM CACHE QUAD IO (EBH) ........................................................................................................................ 21
9 READ ID (9FH) ................................................................................................................................................ 22
9.1 READ ID .............................................................................................................................................................. 22
10 PROGRAM OPERATIONS ......................................................................................................................... 24
10.1 PAGE PROGRAM ................................................................................................................................................... 24
10.2 PROGRAM LOAD (PL) (02H) ................................................................................................................................... 25
10.3 PROGRAM LOAD X4 (PL X4) (32H) .......................................................................................................................... 26
10.4 PROGRAM EXECUTE (PE) (10H) .............................................................................................................................. 27