M28W320FCT Datasheet, PDF (66/69 Pages) STMicroelectronics – 32 Mbit (2Mb x16, Boot Block) 3V Supply Flash Memory

Command interface and Program/Erase Controller state
M28W320FCT, M28W320FCB
Table 33.
Write State Machine Current/Next, sheet 2 of 2 ⁽¹⁾
Command Input (and Next State)
Current State
Read Array
Read Status
Read Elect.Sg.
Read CFI
Query
Lock Setup
Lock Cmd
Error
Lock
(complete)
Prot. Prog.
Setup
Prot. Prog.
(continue)
Prot. Prog.
(complete)
Prog. Setup
Program
(continue)
Prog. Suspend
Read Status
Prog. Suspend
Read Array
Prog. Suspend
Read Elect.Sg.
Prog. Suspend
Read CFI
Program
(complete)
Erase Setup
Erase
Cmd.Error
Read
Elect.Sg.
(90h)
Read
Elect.Sg.
Read
Elect.Sg.
Read
Elect.Sg.
Read
Elect.Sg.
Read
Elect.Sg.
Read
Elect.Sg.
Read
Elect.Sg.
Prog.
Suspend
Read
Elect.Sg.
Prog.
Suspend
Read
Elect.Sg.
Prog.
Suspend
Read
Elect.Sg.
Prog.
Suspend
Read
Elect.Sg.
Read
Elect.Sg.
Read
Elect.Sg.
Read CFI
Query
(98h)
Lock Setup
(60h)
Read CFI
Query
Lock Setup
Read CFI
Query
Lock Setup
Read CFI
Query
Lock Setup
Read CFI
Query
Lock Setup
Lock Command Error
Read CFI
Query
Lock Setup
Read CFI
Query
Lock Setup
Prot. Prog.
Setup (C0h)
Prot. Prog.
Setup
Prot. Prog.
Setup
Prot. Prog.
Setup
Prot. Prog.
Setup
Prot. Prog.
Setup
Prot. Prog.
Setup
Lock
Confirm
(01h)
Lock Down
Confirm
(2Fh)
Read Array
Unlock
Confirm
(D0h)
Read Array
Read Array
Read Array
Lock (complete)
Read Array
Read Array
Protection Register Program
Read CFI
Query
Protection Register Program (continue)
Lock Setup
Prot. Prog.
Setup
Program
Program (continue)
Read Array
Prog. Suspend
Read CFI
Query
Program Suspend Read Array
Program
(continue)
Prog. Suspend
Read CFI
Query
Program Suspend Read Array
Program
(continue)
Prog. Suspend
Read CFI
Query
Program Suspend Read Array
Program
(continue)
Prog. Suspend
Read CFI
Query
Program Suspend Read Array
Read
CFIQuery
Lock Setup
Prot. Prog.
Setup
Read Array
Erase Command Error
Read CFI
Query
Lock Setup
Prot. Prog.
Setup
Read Array
Program
(continue)
Erase
(continue)
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