m28w320fcb STMicroelectronics, m28w320fcb Datasheet - Page 23

• Manufacturer Part Number: m28w320fcb
• Description: 32 Mbit 2mb X16, Boot Block 3v Supply Flash Memory
• Manufacturer: STMicroelectronics

M28W320FCT, M28W320FCB
Table 5.
1. RP = V
Table 6.
1. A Locked-Down Block can be locked "DQ0 = 1" or unlocked "DQ0 = 0"; see Block Locking section.
Table 7.
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
IH
.
Read Electronic Signature
Read Block Lock Signature
Read Protection Register and Lock Register
V
V
V
V
V
V
V
V
V
V
V
V
V
E
M28W320FCT
M28W320FCB
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
8Ch
8Ah
8Bh
A0-
80h
81h
82h
83h
84h
85h
86h
87h
88h
89h
V
V
V
A7
V
V
V
W
E
IH
IH
IH
IL
IL
IL
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
Don't Care
V
V
V
G
IL
IL
IL
A8-A20
IL
IL
IL
(1)
V
V
V
A1
V
V
V
IH
IH
IH
W
IH
IH
IH
A2-A7
V
V
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
OTP data
A0
V
0
0
0
ID data
ID data
ID data
ID data
IH
IH
IL
DQ0
Don't Care Block Address
Don't Care Block Address
Don't Care Block Address
A1
V
V
V
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
A8-A20
See note
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
(1)
DQ0
X
DQ0-DQ7
1
0
(1)
Command interface
BAh
BBh
20h
ID data
ID data
ID data
ID data
DQ3-
Don't
Care
DQ7
OTP
OTP
OTP
OTP
OTP
OTP
OTP
OTP
data
data
data
data
data
data
data
data
DQ1 DQ2-DQ15
0
0
1
DQ8-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
DQ15
DQ8-
00h
00h
00h
00h
88h
88h
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