m28w320bb STMicroelectronics, m28w320bb Datasheet - Page 42

• Manufacturer Part Number: m28w320bb
• Description: 32 Mbit 2mb X16, Boot Block 3v Supply Flash Memory
• Manufacturer: STMicroelectronics

M28W320BT, M28W320BB
APPENDIX D. COMMAND INTERFACE AND PROGRAM/ERASE CONTROLLER STATE
Table 29. Write State Machine Current/Next
Note: Elect.Sg. = Electronic Signature.
42/43
(complete)
(complete)
(continue)
(continue)
Elect.Sg.
Elect.Sg.
Elect.Sg.
Suspend
Program
Suspend
Program
Suspend
Program
Suspend
Suspend
Suspend
Program
Program
Program
Current
to Read
to Read
to Read
to Read
to Read
to Read
Status
Status
Status
Setup
Erase
Setup
Erase
Erase
Erase
Erase
Erase
Erase
State
Read
Array
Read
Read
Array
Cmd.
Array
Error
bit 7
SR
“1”
“1”
“1”
“1”
“0”
“1”
“1”
“1”
“1”
“1”
“0”
“1”
“1”
“1”
“1”
“1”
Electronic
Electronic
Signature
Signature
Electronic
Signature
When
Status
Status
Status
Status
Status
Status
Status
Status
Status
Status
Read
Array
Array
Array
Data
Suspend
Suspend
Suspend
Suspend
Suspend
Program
Program
Program
Suspend
to Read
to Read
to Read
to Read
to Read
to Read
Array
Erase
Erase
Erase
Read
(FFh)
Read
Array
Read
Array
Read
Array
Array
Array
Array
Read
Array
Read
Array
Array
Array
Array
Read
Array
Erase Command Error
Program
(10/40h)
Program
Program
Program
Program Suspend to
Program Suspend to
Program Suspend to
Program
Program
Program
Program
Program
Program
Program (continue)
Setup
Setup
Setup
Setup
Setup
Setup
Setup
Setup
Setup
Setup
Erase (continue)
Read Array
Read Array
Read Array
Suspend
Suspend
Suspend
to Read
to Read
to Read
Setup
Program (Command input = Data to be Programmed)
Erase
Erase
Setup
Erase
Setup
Erase
Setup
Erase
Setup
Erase
Setup
Erase
Erase
Erase
Erase
Setup
(20h)
Array
Array
Array
Command Input (and Next State)
(continue)
(continue)
(continue)
(continue)
(continue)
(continue)
(continue)
Confirm
Program
Program
Program
Erase
(D0h)
Erase
Erase
Erase
Erase
Read Array
Read Array
Read Array
Read Array
Read Array
Read Array
Command
Program/
Suspend
Suspend
Suspend
Suspend
Suspend
Suspend
Suspend
Program
Program
Program
Program
Suspend
Suspend
to Read
to Read
to Read
to Read
to Read
to Read
to Read
to Read
Erase
Status
Status
Erase
Erase
Erase
Erase
Erase
(B0h)
Array
Array
Array
Array
Array
Array
Error
(continue)
(continue)
(continue)
(continue)
(continue)
(continue)
Program/
(continue)
Resume
Program
Program
Program
Erase
Erase
(D0h)
Erase
Erase
Erase
Suspend
Suspend
Suspend
Suspend
Suspend
Suspend
Program
Program
Program
Program (continue)
to Read
to Read
to Read
to Read
to Read
to Read
Status
Status
Status
Status
Status
Status
Status
Status
Status
Status
Status
Status
Status
Erase
Erase
Erase
Read
(70h)
Read
Read
Read
Read
Read
Read
Erase (continue)
Erase Command Error
Program
Suspend
Program
Suspend
Program
Suspend
Suspend
Suspend
Suspend
to Read
to Read
to Read
to Read
to Read
to Read
Status
Clear
Erase
Erase
Erase
(50h)
Read
Array
Read
Array
Read
Array
Array
Array
Array
Read
Array
Read
Array
Array
Array
Array
Read
Array
Elect.Sg.
Elect.Sg.
Elect.Sg.
Elect.Sg.
Elect.Sg.
Elect.Sg.
Elect.Sg.
Elect.Sg.
Elect.Sg.
Elect.Sg.
Elect.Sg.
Elect.Sg.
Elect.Sg.
Suspend
Suspend
Suspend
Suspend
Suspend
Suspend
Program
Program
Program
to Read
to Read
to Read
to Read
to Read
to Read
Read
Erase
Erase
Erase
(90h)
Read
Read
Read
Read
Read
Read