M58WR064FB70ZB6 Просмотр технического описания (PDF) - STMicroelectronics
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M58WR064FB70ZB6 Datasheet PDF : 87 Pages
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M58WR064FT, M58WR064FB
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 28., Locking Oper-
ations Flowchart and Pseudo Code, for a flowchart
for using the Lock-Down command.
Table 5. Standard Commands
Bus Operations
Commands
1st Cycle
2nd Cycle
Op.
Add
Data
Op.
Add
Data
Read Array
Read Status Register
Read Electronic Signature
Read CFI Query
Clear Status Register
Block Erase
Program
1+
Write
BKA
FFh
Read
1+
Write
BKA
70h
Read
1+
Write
BKA
90h
Read
1+
Write
BKA
98h
Read
1
Write
BKA
50h
2
Write BKA or BA(3)
20h
Write
2
Write BKA or WA(3) 40h or 10h
Write
WA
BKA(2)
BKA(2)
BKA(2)
BA
WA
RD
SRD
ESD
QD
D0h
PD
Program/Erase Suspend
Program/Erase Resume
Protection Register Program
1
Write
1
Write
2
Write
X
X
PRA
B0h
D0h
C0h
Write
PRA
PRD
Set Configuration Register
2
Write
CRD
60h
Write
CRD
03h
Block Lock
Block Unlock
2
Write BKA or BA(3)
60h
Write
BA
01h
2
Write BKA or BA(3)
60h
Write
BA
D0h
Block Lock-Down
2
Write BKA or BA(3)
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, 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. Any address within the bank can be used.
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