Uniform Sector
Dual and Quad Serial Flash
Contents
GD25Q32B
1. FEATURES .........................................................................................................................................................4
2. GENERAL DESCRIPTION ................................................................................................................................5
3. MEMORY ORGANIZATION...............................................................................................................................7
4. DEVICE OPERATION ........................................................................................................................................8
5. DATA PROTECTION..........................................................................................................................................9
6. STATUS REGISTER.........................................................................................................................................11
7. COMMANDS DESCRIPTION..........................................................................................................................13
7.1.
7.2.
7.3.
7.4.
7.5.
7.6.
7.7.
7.8.
7.9.
7.10.
7.11.
7.12.
7.13.
7.14.
7.15.
7.16.
7.17.
7.18.
WRITE ENABLE (WREN) (06H)........................................................................................................................ 16
WRITE DISABLE (WRDI) (04H) ........................................................................................................................ 16
READ STATUS REGISTER (RDSR) (05H OR 35H)........................................................................................... 16
WRITE STATUS REGISTER (WRSR) (01H) ...................................................................................................... 17
READ DATA BYTES (READ) (03H) .................................................................................................................. 17
READ DATA BYTES AT HIGHER SPEED (FAST READ) (0BH)........................................................................... 18
DUAL OUTPUT FAST READ (3BH) .................................................................................................................... 18
QUAD OUTPUT FAST READ (6BH).................................................................................................................... 19
DUAL I/O FAST READ (BBH) ............................................................................................................................ 19
QUAD I/O FAST READ (EBH) ....................................................................................................................... 21
QUAD I/O WORD FAST READ (E7H) ............................................................................................................ 22
PAGE PROGRAM (PP) (02H) ........................................................................................................................ 23
QUAD PAGE PROGRAM (32H) ...................................................................................................................... 24
SECTOR ERASE (SE) (20H) ......................................................................................................................... 25
32KB BLOCK ERASE (BE) (52H) ................................................................................................................. 25
64KB BLOCK ERASE (BE) (D8H) ................................................................................................................ 26
CHIP ERASE (CE) (60/C7H) ........................................................................................................................ 26
DEEP POWER-DOWN (DP) (B9H) ................................................................................................................ 27
7.19.
7.20.
7.21.
7.22.
7.23.
7.24.
7.25.
7.26.
7.27.
7.28.
RELEASE FROM DEEP POWER-DOWN OR HIGH PERFORMANCE MODE AND READ DEVICE ID (RDI) (ABH)
27
READ MANUFACTURE ID/ DEVICE ID (REMS) (90H).................................................................................. 28
READ IDENTIFICATION (RDID) (9FH)........................................................................................................... 29
HIGH PERFORMANCE MODE (HPM) (A3H).................................................................................................. 30
CONTINUOUS READ MODE RESET (CRMR) (FFH)..................................................................................... 30
PROGRAM/ERASE SUSPEND (PES) (75H) .................................................................................................. 31
PROGRAM/ERASE RESUME (PER) (7AH).................................................................................................... 31
ERASE SECURITY REGISTERS (44H) ........................................................................................................... 32
PROGRAM SECURITY REGISTERS (42H)...................................................................................................... 33
READ SECURITY REGISTERS (48H) ............................................................................................................. 34
8. ELECTRICAL CHARACTERISTICS ..............................................................................................................35
8.1. POWER-ON TIMING ...................................................................................................................................... 35
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