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M28W320BT 数据表(PDF) 13 Page - STMicroelectronics

部件名 M28W320BT
功能描述  32 Mbit (2Mb x16, Boot Block) 3V Supply Flash Memory
PDF  43 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M28W320BT 数据表(HTML) 13 Page - STMicroelectronics

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M28W320BT, M28W320BB
Table 3. Commands
Note: 1. X = Don't Care.
2. A0=VIL outputs Manufacturer code, A0=VIH outputs Device code. Address A7-A1 must be VIL.
3. Addr 1 and Addr 2 must be consecutive Addresses differing only for A0.
Table 4. Read Electronic Signature
Note:
RP =VIH.
Table 5. Memory Blocks Protection Truth Table
Note: 1. X = Don't Care
2. VPP must also be greater than the Program Voltage Lock Out VPPLK.
Commands
No. of
Cycles
Bus Write Operations
1st Cycle
2nd Cycle
3nd Cycle
Bus
Op.
Addr
Data
Bus
Op.
Addr
Data
Bus
Op.
Addr
Data
Read Memory Array
1+
Write
X
FFh
Read
Read
Addr
Data
Read Status Register
1+
Write
X
70h
Read
X
Status
Register
Read Electronic Signature
1+
Write
X
90h
Read
Signature
Addr
(2)
Signature
Read CFI Query
1+
Write
X
98h
Read
CFI Addr
Query
Erase
2
Write
X
20h
Write
Block
Addr
D0h
Program
2
Write
X
40h or
10h
Write
Addr
Data
Input
Double Word Program(3)
3
Write
X
30h
Write
Addr 1
Data
Input
Write
Addr 2
Data
Input
Clear Status Register
1
Write
X
50h
Program/Erase Suspend
1
Write
X
B0h
Program/Erase Resume
1
Write
X
D0h
Code
Device
E
G
W
A0
A1-A7
A8-A20
DQ0-DQ7
DQ8-DQ15
Manufacture.
Code
VIL
VIL
VIH
VIL
VIL
Don't Care
20h
00h
Device Code
M28W320CT
VIL
VIL
VIH
VIH
VIL
Don't Care
BCh
88h
M28W320CB
VIL
VIL
VIH
VIH
VIL
Don't Care
BDh
88h
VPP
(1)
RP
WP (1)
Lockable Blocks
(blocks #0 and #1)
Other Blocks
X
VIL
X
Protected
Protected
VIL
VIH
X
Protected
Protected
VDD or VPPH
(2)
VIH
VIL
Protected
Unprotected
VDD or VPPH
(2)
VIH
VIH
Unprotected
Unprotected



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