M58CR064Q データシートの表示（PDF） - STMicroelectronics
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M58CR064Q Datasheet PDF : 70 Pages
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M58CR064C, M58CR064D, M58CR064P, M58CR064Q
The lock status can be monitored for each block
using the Read Electronic Signature command.
Locked-Down blocks revert to the locked (and not
locked-down) state when the device is reset on
power-down. Table. 13 shows the Lock Status af-
ter issuing a Block Lock-Down command. Refer to
the section, Block Locking, for a detailed explana-
tion and Appendix C, Figure 26, Locking Opera-
tions Flowchart and Pseudo Code, for a flowchart
for using the Lock-Down command.
Table 5. Standard Commands
Bus Operations
Commands
1st Cycle
Op.
Add
Data
2nd Cycle
Op.
Add
Data
Read Array
Read Status Register
Read Electronic Signature
Read CFI Query
Clear Status Register
1+
Write
BKA
FFh
1+
Write
BKA
70h
BBKA or
1+
Write
BKA(3)
90h
1+
Write
BBKA
98h
1
Write
BKA
50h
Read
Read
Read
Read
WA
BKA(2)
BBKA or
BKA(2,3)
BBKA(2)
RD
SRD
ESD(3)
QD
Block Erase
Program
2
Write
BKA
20h
Write
BA
D0h
2
Write
BKA
40h or 10h
Write
WA
PD
Program/Erase Suspend
1
Write
BKA
B0h
Program/Erase Resume
1
Write
BKA
D0h
Protection Register Program
2
Write
PRA
C0h
Write
PRA
PRD
Set Configuration Register
2
Write
CRD
60h
Write
CRD
03h
Block Lock
2
Write
BKA
60h
Write
BA
01h
Block Unlock
2
Write
BKA
60h
Write
BA
D0h
Block Lock-Down
2
Write
BKA
60h
Write
BA
2Fh
Note: 1. X = Don’t Care, WA=Word Address in targeted bank, RD=Read Data, SRD=Status Register Data, ESD=Electronic Signature Data,
QD=Query Data, BA=Block Address, BKA= Bank Address, BBKA= Bottom Bank Address, PD=Program Data, PRA=Protection
Register Address, PRD=Protection Register Data, CRD=Configuration Register Data.
2. Must be same bank as in the first cycle. The signature addresses are listed in Table 6.
3. When addressed to a block in the Top Bank, reads Block Protection data only.
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