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M28W640FCT Datasheet(PDF) 23 Page - STMicroelectronics

No. de pieza M28W640FCT
Descripción Electrónicos  64 Mbit (4Mbx16, Boot Block) 3V Supply Flash memory
PDF  77 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M28W640FCT Datasheet(HTML) 23 Page - STMicroelectronics

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Command interface
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Table 4.
Commands(1)
Commands
Bus Write operations
1st Cycle
2nd Cycle
3rd Cycle
4th Cycle
5th Cycle
Op. Add
Data
Op.
Add Data
Op. Add Data Op. Add Data
Op. Add Data
Read Memory
Array
1+ Write
X
FFh
Read
RA
RD
Read Status
Register
1+ Write
X
70h
Read
X
SRD
Read
Electronic
Signature
1+ Write
X
90h
Read SA(2)
IDh
Read CFI
Query
1+ Write
X
98h
Read
QA
QD
Erase
2
Write
X
20h
Write
BA
D0h
Program
2
Write
X
40h or
10h
Write
PA
PD
Double Word
Program(3)
3
Write
X
30h
Write
PA1
PD1 Write PA2 PD2
Quadruple
Word
Program(4)
5
Write
X
56h
Write
PA1
PD1 Write PA2 PD2 Write PA3 PD3 Write PA4 PD4
Clear Status
Register
1
Write
X
50h
Program/Erase
Suspend
1Write
X
B0h
Program/Erase
Resume
1Write
X
D0h
Block Lock
2
Write
X
60h
Write
BA
01h
Block Unlock
2
Write
X
60h
Write
BA
D0h
Block Lock-
Down
2
Write
X
60h
Write
BA
2Fh
Protection
Register
Program
2
Write
X
C0h
Write PRA PRD
1.
X = Don't Care,RA=Read Address,RD=Read Data, SRD=Status Register Data, ID=Identifier (Manufacture and Device
Code), QA=Query Address, QD=Query Data, BA=Block Address, PA=Program Address, PD=Program Data,
PRA=Protection Register Address, PRD=Protection Register Data.
2.
The signature addresses are listed in Tables 5, 6 and 7.
3.
Program Addresses 1 and 2 must be consecutive Addresses differing only for A0.
4.
Program Addresses 1,2,3 and 4 must be consecutive Addresses differing only for A0 and A1.



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