M58WR064FB データシートの表示（PDF） - STMicroelectronics
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M58WR064FB Datasheet PDF : 87 Pages
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M58WR064FT, M58WR064FB
Table 41. Command Interface States - Modify Table, Next Output
Current CI State
Block
Read
Array(2)
DWP,
QWP
Setup
Erase,
Bank
Erase
(FFh)
(3,4)
Setup
(35h, 56h) (3,4)
(20h, 80h)
EFP
Setup
(30h)
Program Setup
Erase Setup
OTP Setup
Program in
Erase Suspend
EFP Setup
EFP Busy
EFP Verify
Quad EFP Setup
Quad EFP Busy
Lock/CR Setup
Lock/CR Setup
in Erase
Suspend
OTP Busy
Ready
Program Busy
Erase Busy
Program/Erase
Program Busy in
Erase Suspend
Program
Suspend in
Erase Suspend
Array
Status Register
Command Input (6)
Quad-
EFP
Setup
(75h)
Erase
Confirm
P/E
Resume,
Block
Unlock
confirm,
EFP
Confirm
(D0h)
Program/
Erase
Suspend
(B0h)
Read
Status
Register
(70h)
Clear status
Register
(5)
(50h)
Read
Electronic
signature,
Read CFI
Query
(90h, 98h)
Status Register
Status
Register
Output Unchanged
Status
Register
Output
Unchanged
Electronic
Signature/
CFI
Note: 1. CI = Command Interface, CR = Configuration Register, EFP = Enhanced Factory Program, Quad EFP = Quadruple Enhanced Fac-
tory Program, DWP = Double Word Program, QWP = Quadruple Word Program, P/E. C. = Program/Erase Controller.
2. At Power-Up, all banks are in Read Array mode. A Read Array command issued to a busy bank, results in undetermined data out-
put.
3. The two cycle command should be issued to the same bank address.
4. If the P/E.C. is active, both cycles are ignored.
5. The Clear Status Register command clears the Status Register error bits except when the P/E.C. is busy or suspended.
6. The output state shows the type of data that appears at the outputs if the bank address is the same as the command address. A
bank can be placed in Read Array, Read Status Register, Read Electronic Signature or Read CFI Query mode, depending on the
command issued. Each bank remains in its last output state until a new command is issued. The next state does not depend on the
bank’s output state.
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