m58wr032et STMicroelectronics, m58wr032et Datasheet - Page 77

• Manufacturer Part Number: m58wr032et
• Description: 32 Mbit 2mb X 16, Multiple Bank, Burst 1.8v Supply Flash Memory
• Manufacturer: STMicroelectronics

Table 41. Command Interface States - Modify Table, Next Output
Note: 1. CI = Command Interface, CR = Configuration Register, EFP = Enhanced Factory Program, Quad EFP = Quadruple Enhanced Fac-
Quad EFP Setup
Current CI State
Quad EFP Busy
Erase Suspend
Erase Suspend
Erase Suspend
Program Setup
Lock/CR Setup
Lock/CR Setup
Program/Erase
Program Busy
Erase Setup
Erase Busy
Suspended
Program in
Program in
Program in
OTP Setup
EFP Setup
EFP Verify
EFP Busy
OTP Busy
Suspend
in Erase
Ready
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. 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
Busy
tory Program, DWP = Double Word Program, QWP = Quadruple Word Program, P/E. C. = Program/Erase Controller.
put.
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.
Array
Read
Array
Array
(2)
Program
Setup
DWP,
QWP
(3,4)
Erase,
Setup
Block
Erase
Bank
Status Register
Status Register
(3,4)
Setup
Next Output State After Command Input (6)
EFP
Quad-
Setup
EFP
Status Register
Status Register
Resume,
confirm,
Confirm
Confirm
Unlock
Output Unchanged
Output Unchanged
Erase
Block
EFP
P/E
Program/
Suspend
Erase
M58WR032ET, M58WR032EB
Register
Register
Register
Status
Status
Status
Read
Clear status
Unchanged
Unchanged
Register
Output
Output
(5)
Electronic
signature,
Signature/
Electronic
Read CFI
Register
Query
Status
Read
CFI
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