M28R400CTB120ZB1T データシートの表示（PDF） - STMicroelectronics
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M28R400CTB120ZB1T Datasheet PDF : 50 Pages
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M28R400CT, M28R400CB
Table 4. Read Electronic Signature
Code
Device
E G W A0 A1 A2-A7 A8-A17 DQ0-DQ7 DQ8-DQ15
Manufacture.
Code
VIL VIL VIH VIL VIL
0
Don’t Care
20h
00h
M28R400CT VIL VIL VIH VIH VIL
0
Don’t Care
2Ah
88h
Device Code
M28R400CB VIL VIL VIH VIH VIL
0
Don’t Care
2Bh
88h
Note: RP = VIH.
Table 5. Read Block Lock Signature
Block Status
E G W A0 A1 A2-A7 A8-A11
A12-A17 DQ0 DQ1 DQ2-DQ15
Locked Block
VIL VIL VIH VIL VIH
0 Don’t Care Block Address 1
0
00h
Unlocked Block
VIL VIL VIH VIL VIH
0 Don’t Care Block Address 0
0
00h
Locked-Down
Block
VIL VIL VIH VIL VIH
0 Don’t Care Block Address X (1) 1
00h
Note: 1. A Locked-Down Block can be locked "DQ0 = 1" or unlocked "DQ0 = 0"; see Block Locking section.
Table 6. Read Protection Register and Lock Register
Word
E G W A0-A7 A8-A17
DQ0
Lock
VIL VIL VIH 80h Don’t Care
0
Unique ID 0 VIL VIL VIH 81h Don’t Care ID data
Unique ID 1 VIL VIL VIH 82h Don’t Care ID data
Unique ID 2 VIL VIL VIH 83h Don’t Care ID data
Unique ID 3 VIL VIL VIH 84h Don’t Care ID data
OTP 0
VIL VIL VIH 85h Don’t Care OTP data
OTP 1
VIL VIL VIH 86h Don’t Care OTP data
OTP 2
VIL VIL VIH 87h Don’t Care OTP data
OTP 3
VIL VIL VIH 88h Don’t Care OTP data
DQ1
OTP Prot.
data
ID data
ID data
ID data
ID data
OTP data
OTP data
OTP data
OTP data
DQ2 DQ3-DQ7 DQ8-DQ15
Security
prot. data
00h
00h
ID data ID data ID data
ID data ID data ID data
ID data ID data ID data
ID data ID data ID data
OTP data OTP data OTP data
OTP data OTP data OTP data
OTP data OTP data OTP data
OTP data OTP data OTP data
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