GD25LQ16SIG Gigadevice

1.8V Uniform Sector Dual and Quad Serial Flash GD25LQ16 GD25LQ16 DATASHEET 1 1.8V Uniform Sector Dual and Quad Serial Flash GD25LQ16 Contents 1 FEATURES ......................................................................................................................................................... 4 2 GENERAL DESCRIPTION ................................................................................................................................ 5 3 MEMORY ORGANIZATION ............................................................................................................................... 7 4 DEVICE OPERATION ........................................................................................................................................ 8 5 DATA PROTECTION ........................................................................................................................................ 10 6 STATUS REGISTER......................................................................................................................................... 12 7 COMMANDS DESCRIPTION .......................................................................................................................... 14 7.1 WRITE ENABLE (WREN) (06H) ................................................................................................................................ 18 7.2 WRITE DISABLE (WRDI) (04H) ................................................................................................................................ 19 7.3 WRITE ENABLE FOR VOLATILE STATUS REGISTER (50H) ................................................................................................. 20 7.4 READ STATUS REGISTER (RDSR) (05H OR 35H) .......................................................................................................... 21 7.5 WRITE STATUS REGISTER (WRSR) (01H) ................................................................................................................... 22 7.6 READ DATA BYTES (READ) (03H) ............................................................................................................................. 23 7.7 READ DATA BYTES AT HIGHER SPEED (FAST READ) (0BH) .............................................................................................. 23 7.8 FAST READ (0BH) IN QPI MODE ............................................................................................................................... 24 7.9 DUAL OUTPUT FAST READ (3BH) .............................................................................................................................. 25 7.10 QUAD OUTPUT FAST READ (6BH) ............................................................................................................................. 26 7.11 DUAL I/O FAST READ (BBH) .................................................................................................................................... 26 7.12 QUAD I/O FAST READ (EBH) ................................................................................................................................... 28 7.13 SET BURST WITH WRAP (77H) ................................................................................................................................. 32 7.14 PAGE PROGRAM (PP) (02H) .................................................................................................................................... 33 7.15 QUAD PAGE PROGRAM (32H) .................................................................................................................................. 35 7.16 SECTOR ERASE (SE) (20H) ....................................................................................................................................... 36 7.17 32KB BLOCK ERASE (BE) (52H) ............................................................................................................................... 37 7.18 64KB BLOCK ERASE (BE) (D8H) ............................................................................................................................... 38 7.19 CHIP ERASE (CE) (60/C7H) ..................................................................................................................................... 39 7.20 DEEP POWER-DOWN (DP) (B9H) ............................................................................................................................. 40 7.21 RELEASE FROM DEEP POWER-DOWN AND READ DEVICE ID (RDI) (ABH) ......................................................................... 41 7.22 READ MANUFACTURE ID/ DEVICE ID (REMS) (90H) .................................................................................................... 43 7.23 READ MANUFACTURE ID/ DEVICE ID DUAL I/O (92H) ................................................................................................. 44 7.24 READ MANUFACTURE ID/ DEVICE ID QUAD I/O (94H)................................................................................................. 45 7.25 READ IDENTIFICATION (RDID) (9FH) ......................................................................................................................... 46 7.26 PROGRAM/ERASE SUSPEND (PES) (75H) ................................................................................................................... 47 7.27 PROGRAM/ERASE RESUME (PER) (7AH) ................................................................................................................... 48 7.28 ERASE SECURITY REGISTERS (44H) ............................................................................................................................ 49 7.29 PROGRAM SECURITY REGISTERS (42H) ....................................................................................................................... 50 7.30 READ SECURITY REGISTERS (48H) ............................................................................................................................. 51 2