HM25Q64ASF datasheet(3/76 Pages) HMSEMI

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Reserved Bits – Non Functional .............................................................................................17

Status Register Memory Protection (WPS = 0, CMP = 0)..........................................................18

Status Register Memory Protection (WPS = 0, CMP = 1)..........................................................19

Individual Block Memory Protection (WPS=1) .........................................................................20

INSTRUCTIONS..................................................................................................................................21

8.1

Device ID and Instruction Set Tables ......................................................................................21

Manufacturer and Device Identification......................................................................................21

Instruction Set Table 1 (Standard SPI Instructions)(1) ................................................................22

Instruction Set Table 2 (Dual/Quad SPI Instructions)(1)..............................................................23

8.2

Instruction Descriptions ...........................................................................................................24

Write Enable (06h).....................................................................................................................24

Write Enable for Volatile Status Register (50h)..........................................................................24

Write Disable (04h) ....................................................................................................................25

Read Status Register-1 (05h), Status Register-2 (35h) & Status Register-3 (15h)....................25

Write Status Register-1 (01h), Status Register-2 (31h) & Status Register-3 (11h) ....................26

Read Data (03h) ........................................................................................................................28

Fast Read (0Bh) ........................................................................................................................29

Fast Read Dual Output (3Bh) ....................................................................................................30

Fast Read Quad Output (6Bh) ...................................................................................................31

Fast Read Dual I/O (BBh)........................................................................................................32

Fast Read Quad I/O (EBh).......................................................................................................33

Set Burst with Wrap (77h)........................................................................................................34

Page Program (02h) ................................................................................................................35

Quad Input Page Program (32h)..............................................................................................36

8.3

Sector Erase (20h) ..................................................................................................................37

32KB Block Erase (52h).............................................................................................................38

64KB Block Erase (D8h)............................................................................................................39

Chip Erase (C7h / 60h) ..............................................................................................................40

Erase / Program Suspend (75h) ................................................................................................41

Erase / Program Resume (7Ah).................................................................................................42

Power-down (B9h) .....................................................................................................................43

Release Power-down / Device ID (ABh) ....................................................................................44

Read Manufacturer / Device ID (90h) ........................................................................................45

Read Manufacturer / Device ID Dual I/O (92h) ..........................................................................46

Read Manufacturer / Device ID Quad I/O (94h).......................................................................47

Read Unique ID Number (4Bh)................................................................................................48

Read JEDEC ID (9Fh) .............................................................................................................49

Read SFDP Register (5Ah)......................................................................................................50

Erase Security Registers (44h) ................................................................................................51

Program Security Registers (42h)............................................................................................52

Read Security Registers (48h).................................................................................................53

Individual Block/Sector Lock (36h)...........................................................................................54

Individual Block/Sector Unlock (39h) .......................................................................................55

Read Block/Sector Lock (3Dh).................................................................................................56

Global Block/Sector Lock (7Eh) ...............................................................................................57

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