m28w320ect STMicroelectronics, m28w320ect Datasheet - Page 15

• Manufacturer Part Number: m28w320ect
• Description: 32 Mbit 2mb X16, Boot Block 3v Supply Flash Memory
• Manufacturer: STMicroelectronics

Table 5. Read Electronic Signature
Note:
Table 6. Read Block Lock Signature
Note: 1. A Locked-Down Block can be locked "DQ0 = 1" or unlocked "DQ0 = 0"; see Block Locking section.
Table 7. Read Protection Register and Lock Register
Note: 1. DQ2 in the Protection Lock Register must not be programmed to 0.
Manufacture.
Code
Device Code
Locked Block
Unlocked Block
Locked-Down
Block
Lock
Unique ID 0
Unique ID 1
Unique ID 2
Unique ID 3
OTP 0
OTP 1
OTP 2
OTP 3
OTP 4
OTP 5
OTP 6
OTP 7
Block Status
Word
Code
RP = V
IH
V
V
V
V
V
V
V
V
V
V
V
V
V
.
E
M28W320ECB
M28W320ECT
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
Device
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
G
E
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
V
V
V
V
V
V
V
V
V
V
V
V
V
W
V
V
V
IH
IH
IH
IH
IH
IH
IH
IH
IH
IH
IH
IH
IH
G
IL
IL
IL
A0-A7
8Ch
80h
81h
82h
83h
84h
85h
86h
87h
88h
89h
8Ah
8Bh
V
V
V
V
V
V
E
W
IL
IL
IL
IH
IH
IH
V
V
V
V
V
V
A0
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
G
IL
IL
IL
IL
IL
IL
A8-A20
V
V
V
A1
V
V
V
W
IH
IH
IH
IH
IH
IH
A2-A7
V
V
Don’t Care
A0
V
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
IH
IH
0
0
0
IL
ID data
ID data
ID data
ID data
DQ0
V
V
V
A1
Don’t Care Block Address
Don’t Care Block Address
Don’t Care Block Address
IL
IL
IL
A8-A11
A2-A7
OTP Prot.
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
ID data
ID data
ID data
ID data
0
0
0
DQ1
data
A12-A20
Don’t Care
Don’t Care
Don’t Care
M28W320ECT, M28W320ECB
A8-A20
See note (1)
Don’t Care
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
ID data
ID data
ID data
ID data
DQ2
DQ0
X
DQ0-DQ7
1
0
(1)
BAh
BBh
DQ3-DQ7 DQ8-DQ15
20h
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
ID data
ID data
ID data
ID data
Don’t
Care
DQ1
0
0
1
DQ8-DQ15
DQ2-DQ15
Don’t Care
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
ID data
ID data
ID data
ID data
00h
88h
88h
00h
00h
00h
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