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M28W640FCB Datasheet(PDF) 73 Page - STMicroelectronics

Part # M28W640FCB
Description  64 Mbit (4Mbx16, Boot Block) 3V Supply Flash memory
PDF  77 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M28W640FCB Datasheet(HTML) 73 Page - STMicroelectronics

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M28W640FCT, M28W640FCB
Command Interface and Program/Erase Controller State
73/77
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
1.
Cmd = Command, Elect.Sg. = Electronic Signature, Ers = Erase, Prog. = Program, Prot = Protection, Sus = Suspend.
Table 32.
Write State machine Current/Next(1) (continued)
Current
State
SR
bit
7
Data When
Read
Command Input (and Next State)
Read
Array
(FFh)
Program
Setup
(10/40h)
Erase
Setup
(20h)
Erase
Confirm
(D0h)
Prog/Ers
Suspend
(B0h)
Prog/Ers
Resume
(D0h)
Read
Status
(70h)
Clear
Status
(50h)



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