M58WR064 STMICROELECTRONICS [STMicroelectronics], M58WR064 Datasheet - Page 77

• Manufacturer Part Number: M58WR064
• Description: 64 Mbit 4Mb x 16, Multiple Bank, Burst 1.8V Supply Flash Memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

APPENDIX D. COMMAND INTERFACE STATE TABLES
Table 40. Command Interface States - Modify Table, Next State
Note: 1. CI = Command Interface, CR = Configuration Register, EFP = Enhanced Factory Program, Quad EFP = Quadruple Enhanced Fac-
Suspend
Program
Program
in Erase
in Erase Suspend
Current CI State
Erase
Quad
Lock/CR Setup
Lock/CR Setup
OTP
EFP
EFP
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-
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. EFP and Quad EFP are allowed only when Status Register bit SR0 is set to ‘0’.EFP and Quad EFP are busy if Block Address is
Ready
tory Program, DWP = Double Word Program, QWP = Quadruple Word Program, P/E. C. = Program/Erase Controller.
put.
first EFP Address. Any other commands are treated as data.
Suspend
Suspend
Suspend
Setup
Setup
Setup
Setup
Setup
Setup
Verify
Busy
Busy
Busy
Busy
Busy
Busy
Suspended
Array
Read
Ready
Erase
(2)
Program
Program in
Program
Suspend
setup
Setup
Erase
WP
(3,4)
Program in Erase Suspend Suspended
Erase Suspend (Lock Error)
Program
Program
Setup
Program Suspended
DWP,
QWP
Setup
Ready (Lock Error)
Program in Erase Suspend Busy
(3,4)
Ready (error)
Ready (error)
Program Busy
Erase Setup EFP Setup
Erase Busy
Erase,
Next CI State After Command Input
Block
Erase
Setup
Bank
Erase Suspended
(3,4)
Setup
EFP
Program in Erase Suspend Busy
Quad EFP Busy
Quad EFP Busy
Program Busy
Quad-EFP
EFP Busy
EFP Verify
Quad-
Setup
OTP Busy
Setup
EFP
(6)
(6)
Resume,
Erase Busy
Erase Busy
confirm,
Program in
Confirm
Confirm
EFP Busy
Unlock
(6)
Suspend
Program
Suspend
(6)
Erase
Block
Ready
Erase
EFP
Erase
Busy
Busy
P/E
M58WR064ET, M58WR064EB
Program/
Suspend
Suspended
Suspended
Suspended
Program in
Program
Suspend
Erase
Erase
Erase
Program in Erase Suspend Suspended
Erase Suspend (Lock Error)
Register
Status
Program Suspended
Read
Ready
Ready (Lock Error)
Program in Erase Suspend Busy
Erase Suspended
Ready (error)
Ready (error)
Program Busy
Register
Erase Busy
status
Clear
(5)
Electronic
signature,
Read CFI
Query
Read
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