Uniform Sector

Dual and Quad Serial Flash

GD25VQ127C

2

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) ......................................................................................................................... 17

7.2.

WRITE DISABLE (WRDI) (04H) ......................................................................................................................... 17

7.3.

WRITE ENABLE FOR VOLATILE STATUS REGISTER (50H) .................................................................................. 17

7.4.

READ STATUS REGISTER (RDSR) (05H OR 35H OR 15H) .................................................................................. 18

7.5.

WRITE STATUS REGISTER (WRSR) (01H OR 31H OR 11H)................................................................................ 18

7.6.

READ DATA BYTES (READ) (03H).................................................................................................................... 19

7.7.

READ DATA BYTES AT HIGHER SPEED (FAST READ) (0BH) .............................................................................. 19

7.8.

DUAL OUTPUT FAST READ (3BH)...................................................................................................................... 20

7.9.

QUAD OUTPUT FAST READ (6BH) ..................................................................................................................... 20

7.10.

DUAL I/O FAST READ (BBH) ............................................................................................................................. 21

7.11.

QUAD I/O FAST READ (EBH)............................................................................................................................. 22

7.12.

QUAD I/O WORD FAST READ (E7H) .................................................................................................................. 24

7.13.

SET BURST WITH WRAP (77H) ........................................................................................................................... 25

7.14.

PAGE PROGRAM (PP) (02H) ............................................................................................................................... 26

7.15.

QUAD PAGE PROGRAM (32H)............................................................................................................................. 26

7.16.

SECTOR ERASE (SE) (20H)................................................................................................................................. 27

7.17.

32KB BLOCK ERASE (BE) (52H) ....................................................................................................................... 28

7.18.

64KB BLOCK ERASE (BE) (D8H) ...................................................................................................................... 28

7.19.

CHIP ERASE (CE) (60/C7H) ............................................................................................................................... 29

7.20.

DEEP POWER-DOWN (DP) (B9H) ....................................................................................................................... 29

7.21.

RELEASE FROM DEEP POWER-DOWN AND READ DEVICE ID (RDI) (ABH)........................................................ 30

7.22.

READ MANUFACTURE ID/ DEVICE ID (REMS) (90H)........................................................................................ 31

7.23.

READ MANUFACTURE ID/ DEVICE ID DUAL I/O (92H)...................................................................................... 31

7.24.

READ MANUFACTURE ID/ DEVICE ID QUAD I/O (94H) ..................................................................................... 32

7.25.

READ IDENTIFICATION (RDID) (9FH)................................................................................................................ 33

7.26.

PROGRAM/ERASE SUSPEND (PES) (75H) ........................................................................................................... 34

7.27.

PROGRAM/ERASE RESUME (PER) (7AH) ........................................................................................................... 35

7.28.

ERASE SECURITY REGISTERS (44H) ................................................................................................................... 35

7.29.

PROGRAM SECURITY REGISTERS (42H).............................................................................................................. 36

7.30.

READ SECURITY REGISTERS (48H)..................................................................................................................... 36

7.31.

ENABLE RESET (66H) AND RESET (99H)............................................................................................................ 37

7.32.

READ SERIAL FLASH DISCOVERABLE PARAMETER (5AH) ................................................................................. 37