GD25Q127CSFS datasheet(2/79 Pages) GIGADEVICE

2 / 79 page

3.3V Uniform Sector

Dual and Quad Serial Flash

GD25Q127C

Contents

FEATURES ................................................................................................................................................................ 4

GENERAL DESCRIPTION...................................................................................................................................... 5

MEMORY ORGANIZATION .................................................................................................................................... 8

DEVICE OPERATION .............................................................................................................................................. 9

DATA PROTECTION .............................................................................................................................................. 11

STATUS REGISTER............................................................................................................................................... 13

COMMANDS DESCRIPTION ............................................................................................................................... 15

7.1.

WRITE ENABLE (WREN) (06H) ......................................................................................................................... 18

7.2.

WRITE DISABLE (WRDI) (04H) ......................................................................................................................... 18

7.3.

WRITE ENABLE FOR VOLATILE STATUS REGISTER (50H) .................................................................................. 18

7.4.

READ STATUS REGISTER (RDSR) (05H OR 35H OR 15H) .................................................................................. 19

7.5.

WRITE STATUS REGISTER (WRSR) (01H OR 31H OR 11H)................................................................................ 19

7.6.

READ DATA BYTES (READ) (03H).................................................................................................................... 20

7.7.

READ DATA BYTES AT HIGHER SPEED (FAST READ) (0BH) .............................................................................. 21

7.8.

DUAL OUTPUT FAST READ (3BH)...................................................................................................................... 21

7.9.

QUAD OUTPUT FAST READ (6BH) ..................................................................................................................... 22

7.10.

DUAL I/O FAST READ (BBH) ............................................................................................................................. 22

7.11.

QUAD I/O FAST READ (EBH)............................................................................................................................. 23

7.12.

QUAD I/O WORD FAST READ (E7H) .................................................................................................................. 25

7.13.

SET BURST WITH WRAP (77H) ........................................................................................................................... 26

7.14.

PAGE PROGRAM (PP) (02H) ............................................................................................................................... 27

7.15.

QUAD PAGE PROGRAM (32H)............................................................................................................................. 27

7.16.

SECTOR ERASE (SE) (20H)................................................................................................................................. 28

7.17.

32KB BLOCK ERASE (BE) (52H) ....................................................................................................................... 29

7.18.

64KB BLOCK ERASE (BE) (D8H) ...................................................................................................................... 29

7.19.

CHIP ERASE (CE) (60/C7H) ............................................................................................................................... 30

7.20.

DEEP POWER-DOWN (DP) (B9H) ....................................................................................................................... 30

7.21.

RELEASE FROM DEEP POWER-DOWN AND READ DEVICE ID (RDI) (ABH)........................................................ 31

7.22.

READ MANUFACTURE ID/ DEVICE ID (REMS) (90H)........................................................................................ 32

7.23.

READ MANUFACTURE ID/ DEVICE ID DUAL I/O (92H)...................................................................................... 32

7.24.

READ MANUFACTURE ID/ DEVICE ID QUAD I/O (94H) ..................................................................................... 33

7.25.

READ IDENTIFICATION (RDID) (9FH)................................................................................................................ 34

7.26.

PROGRAM/ERASE SUSPEND (PES) (75H) ........................................................................................................... 35

7.27.

PROGRAM/ERASE RESUME (PER) (7AH) ........................................................................................................... 36

7.28.

ERASE SECURITY REGISTERS (44H) ................................................................................................................... 36

7.29.

PROGRAM SECURITY REGISTERS (42H).............................................................................................................. 37

7.30.

READ SECURITY REGISTERS (48H)..................................................................................................................... 38

7.31.

ENABLE RESET (66H) AND RESET (99H)............................................................................................................ 38

7.32.

READ UNIQUE ID (4BH) .................................................................................................................................... 39

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