55/57
M36W432T, M36W432B
APPENDIX D. FLASH MEMORY COMMAND INTERFACE AND PROGRAM/ERASE CONTROLLER
STATE
Table 34. Write State Machine Current/Next, sheet 1 of 2
Note: Cmd = Command, Elect.Sg. = Electronic Signature, Ers = Erase, Prog. = Program, Prot = Protection, Sus = Suspend.
Current
State
SR
bit 7
Data
When
Read
Command Input (and Next State)
Read
Array
(FFh)
Program
Setup
(10/40h)
Erase
Setup
(10/40h)
Erase
Confirm
(D0h)
Prog/Ers
Suspend
(B0h)
Prog/Ers
Resume
(D0h)
Read
Status
(70h)
Clear
Status
(50h)
Read Array “1” Array Read Array Prog.Setup Ers. Setup Read Array Read Sts. Read Array
Read
Status
“1 Status Read Array
Program
Setup
Erase
Setup
Read Array
Read
Status
Read Array
Read
Elect.Sg.
“1
Electronic
Signature
Read Array
Program
Setup
Erase
Setup
Read Array
Read
Status
Read Array
Read CFI
Query
“1 CFI Read Array
Program
Setup
Erase
Setup
Read Array
Read
Status
Read Array
Lock Setup “1 Status Lock Command Error
Lock
(complete)
Lock Cmd
Error
Lock
(complete)
Lock Command Error
Lock Cmd
Error
“1 Status Read Array
Program
Setup
Erase
Setup
Read Array
Read
Status
Read Array
Lock
(complete)
“1 Status Read Array
Program
Setup
Erase
Setup
Read Array
Read
Status
Read Array
Prot. Prog.
Setup
“1 Status Protection Register Program
Prot. Prog.
(continue)
“0 Status Protection Register Program continue
Prot. Prog.
(complete)
“1 Status Read Array
Program
Setup
Erase
Setup
Read Array
Read
Status
Read Array
Prog. Setup “1” Status Program
Program
(continue)
“0 Status Program (continue)
Prog. Sus
Read Sts
Program (continue)
Prog. Sus
Status
“1 Status
Prog. Sus
Read Array
Program Suspend to
Read Array
Program
(continue)
Prog. Sus
Read Array
Program
(continue)
Prog. Sus
Read Sts
Prog. Sus
Read Array
Prog. Sus
Read Array
“1 Array
Prog. Sus
Read Array
Program Suspend to
Read Array
Program
(continue)
Prog. Sus
Read Array
Program
(continue)
Prog. Sus
Read Sts
Prog. Sus
Read Array
Prog. Sus
Read
Elect.Sg.
“1
Electronic
Signature
Prog. Sus
Read Array
Program Suspend to
Read Array
Program
(continue)
Prog. Sus
Read Array
Program
(continue)
Prog. Sus
Read Sts
Prog. Sus
Read Array
Prog. Sus
Read CFI
“1 CFI
Prog. Sus
Read Array
Program Suspend to
Read Array
Program
(continue)
Prog. Sus
Read Array
Program
(continue)
Prog. Sus
Read Sts
Prog. Sus
Read Array
Program
(complete)
“1 Status Read Array
Program
Setup
Erase
Setup
Read Array
Read
Status
Read Array
Erase
Setup
“1 Status Erase Command Error
Erase
(continue)
Erase
CmdError
Erase
(continue)
Erase Command Error
Erase
Cmd.Error
“1 Status Read Array
Program
Setup
Erase
Setup
Read Array
Read
Status
Read Array
Erase
(continue)
“0 Status Erase (continue)
Erase Sus
Read Sts
Erase (continue)
Erase Sus
Read Sts
“1 Status
Erase Sus
Read Array
Program
Setup
Erase Sus
Read Array
Erase
(continue)
Erase Sus
Read Array
Erase
(continue)
Erase Sus
Read Sts
Erase Sus
Read Array
Erase Sus
Read Array
“1 Array
Erase Sus
Read Array
Program
Setup
Erase Sus
Read Array
Erase
(continue)
Erase Sus
Read Array
Erase
(continue)
Erase Sus
Read Sts
Erase Sus
Read Array
Erase Sus
Read
Elect.Sg.
“1
Electronic
Signature
Erase Sus
Read Array
Program
Setup
Erase Sus
Read Array
Erase
(continue)
Erase Sus
Read Array
Erase
(continue)
Erase Sus
Read Sts
Erase Sus
Read Array
Erase Sus
Read CFI
“1 CFI
Erase Sus
Read Array
Program
Setup
Erase Sus
Read Array
Erase
(continue)
Erase Sus
Read Array
Erase
(continue)
Erase Sus
Read Sts
Erase Sus
Read Array
Erase
(complete)
“1 Status Read Array
Program
Setup
Erase
Setup
Read Array
Read
Status
Read Array
M36W432T, M36W432B
56/57
Table 35. Write State Machine Current/Next, sheet 2 of 2
Note: Cmd = Command, Elect.Sg. = Electronic Signature, Prog. = Program, Prot = Protection.
Current State
Command Input (and Next State)
Read Elect.Sg.
(90h)
Read CFI
Query
(98h)
Lock Setup
(60h)
Prot. Prog.
Setup (C0h)
Lock Confirm
(01h)
Lock Down
Confirm (2Fh)
Unlock
Confirm
(D0h)
Read Array Read Elect.Sg. Read CFI Query Lock Setup
Prot. Prog.
Setup
Read Array
Read Status Read Elect.Sg. Read CFI Query Lock Setup
Prot. Prog.
Setup
Read Array
Read Elect.Sg. Read Elect.Sg. Read CFI Query Lock Setup
Prot. Prog.
Setup
Read Array
Read CFI Query Read Elect.Sg. Read CFI Query Lock Setup
Prot. Prog.
Setup
Read Array
Lock Setup Lock Command Error Lock (complete)
Lock Cmd Error Read Elect.Sg. Read CFI Query Lock Setup
Prot. Prog.
Setup
Read Array
Lock (complete) Read Elect.Sg. Read CFI Query Lock Setup
Prot. Prog.
Setup
Read Array
Prot. Prog.
Setup
Protection Register Program
Prot. Prog.
(continue)
Protection Register Program (continue)
Prot. Prog.
(complete)
Read Elect.Sg. Read CFI Query Lock Setup
Prot. Prog.
Setup
Read Array
Prog. Setup Program
Program
(continue)
Program (continue)
Prog. Suspend
Read Status
Prog. Suspend
Read Elect.Sg.
Prog. Suspend
Read CFI Query
Program Suspend Read Array
Program
(continue)
Prog. Suspend
Read Array
Prog. Suspend
Read Elect.Sg.
Prog. Suspend
Read CFI Query
Program Suspend Read Array
Program
(continue)
Prog. Suspend
Read Elect.Sg.
Prog. Suspend
Read Elect.Sg.
Prog. Suspend
Read CFI Query
Program Suspend Read Array
Program
(continue)
Prog. Suspend
Read CFI
Prog. Suspend
Read Elect.Sg.
Prog. Suspend
Read CFI Query
Program Suspend Read Array
Program
(continue)
Program
(complete)
Read Elect.Sg. Read CFIQuery Lock Setup
Prot. Prog.
Setup
Read Array
Erase Setup Erase Command Error
Erase
(continue)
Erase
Cmd.Error
Read Elect.Sg. Read CFI Query Lock Setup
Prot. Prog.
Setup
Read Array
Erase (continue) Erase (continue)
Erase Suspend
Read Ststus
Erase Suspend
Read Elect.Sg.
Erase Suspend
Read CFI Query
Lock Setup Erase Suspend Read Array
Erase
(continue)
Erase Suspend
Read Array
Erase Suspend
Read Elect.Sg.
Erase Suspend
Read CFI Query
Lock Setup Erase Suspend Read Array
Erase
(continue)
Erase Suspend
Read Elect.Sg.
Erase Suspend
Read Elect.Sg.
Erase Suspend
Read CFI Query
Lock Setup Erase Suspend Read Array
Erase
(continue)
Erase Suspend
Read CFI Query
Erase Suspend
Read Elect.Sg.
Erase Suspend
Read CFI Query
Lock Setup Erase Suspend Read Array
Erase
(continue)
Erase
(complete)
Read Elect.Sg. Read CFI Query Lock Setup
Prot. Prog.
Setup
Read Array
57/57
M36W432T, M36W432B
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M36W432T85ZA6T

Mfr. #:
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STMicroelectronics
Description:
NOR Flash 32M (2Mx16) 85ns
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