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GD25B256D Datasheet(Scheda tecnica) 2 Page - GigaDevice Semiconductor (Beijing) Inc.

Numero della parte GD25B256D
Dettagli  3.3V Uniform Sector Dual and Quad Serial Flash
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Produttore  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
Homepage  http://www.gigadevice.com/
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 2 page
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3.3V Uniform Sector
Dual and Quad Serial Flash
GD25B256D
2
Contents
1.
FEATURES ..................................................................................................................................................4
2.
GENERAL DESCRIPTION ..........................................................................................................................5
3.
MEMORY ORGANIZATION.........................................................................................................................8
4.
DEVICE OPERATION ..................................................................................................................................9
5.
DATA PROTECTION .................................................................................................................................10
6.
STATUS AND EXTENDED ADDRESS REGISTERS................................................................................ 11
6.1.
STATUS REGISTERS .............................................................................................................................. 11
6.2.
EXTENDED ADDRESS REGISTER ............................................................................................................15
7.
COMMANDS DESCRIPTION ....................................................................................................................16
7.1.
WRITE ENABLE (WREN) (06H) .............................................................................................................21
7.2.
WRITE DISABLE (WRDI) (04H)..............................................................................................................21
7.3.
WRITE ENABLE FOR VOLATILE STATUS REGISTER (50H) ........................................................................21
7.4.
READ STATUS REGISTER (RDSR) (05H OR 35H OR 15H) ......................................................................22
7.5.
WRITE STATUS REGISTER (WRSR) (01H OR 31H OR 11H)....................................................................22
7.6.
READ EXTENDED REGISTER (C8H)........................................................................................................23
7.7.
WRITE EXTENDED REGISTER (C5H) ......................................................................................................23
7.8.
READ DATA BYTES (READ 03H OR 4READ 13H) .................................................................................24
7.9.
READ DATA BYTES AT HIGHER SPEED (FAST READ 0BH OR 4FAST READ 0CH)......................................25
7.10.
DUAL OUTPUT FAST READ (DOFR 3BH OR 4DOFR 3CH).....................................................................27
7.11.
QUAD OUTPUT FAST READ (QOFR 6BH OR 4QOFR 6CH)....................................................................29
7.12.
DUAL I/O FAST READ (DIOFR BBH OR 4DIOFR BCH)..........................................................................31
7.13.
QUAD I/O FAST READ (QIOFR EBH OR 4QIOFR ECH).........................................................................35
7.14.
SET BURST WITH WRAP (77H) ..............................................................................................................38
7.15.
PAGE PROGRAM (PP 02H OR 4PP 12H) ...............................................................................................39
7.16.
QUAD PAGE PROGRAM (QPP 32H OR 4QPP 34H) ................................................................................41
7.17.
SECTOR ERASE (SE 20H OR 4SE 21H).................................................................................................43
7.18.
32KB BLOCK ERASE (BE32 52H OR 4BE32 5CH) ................................................................................44
7.19.
64KB BLOCK ERASE (BE64 D8H OR 4BE64 DCH) ...............................................................................45
7.20.
CHIP ERASE (CE) (60/C7H)..................................................................................................................46
7.21.
DEEP POWER-DOWN (DP) (B9H) ..........................................................................................................47
7.22.
READ UNIQUE ID (4BH) ........................................................................................................................48
7.23.
ENTER 4-BYTE ADDRESS MODE (B7H) ..................................................................................................49
7.24.
EXIT 4-BYTE ADDRESS MODE (E9H) .....................................................................................................49
7.25.
CLEAR SR FLAGS (30H) .......................................................................................................................50
7.26.
RELEASE FROM DEEP POWER-DOWN AND READ DEVICE ID (RDI) (ABH) ...............................................50
7.27.
READ MANUFACTURE ID/ DEVICE ID (REMS) (90H) ..............................................................................51
7.28.
READ MANUFACTURE ID/ DEVICE ID DUAL I/O (92H) .............................................................................52
7.29.
READ MANUFACTURE ID/ DEVICE ID QUAD I/O (94H).............................................................................53
7.30.
READ IDENTIFICATION (RDID) (9FH) .....................................................................................................53




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