M28W320 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'M28W320' PDF : 69 Pages View PDF
M28W320FCT, M28W320FCB
Command interface and Program/Erase Controller state
Table 32. Write State Machine Current/Next, sheet 1 of 2.(1) (continued)
Current
State
SR Data
bit When
7
Read
Read
Array
(FFh)
Program
Setup
(10/40h)
Command Input (and Next State)
Erase
Setup
(20h)
Erase
Confirm
(D0h)
Prog/Ers
Suspend
(B0h)
Prog/Ers
Resume
(D0h)
Read
Status
(70h)
Clear
Status
(50h)
Erase Setup “1”
Erase
Cmd.Error
“1”
Erase
(continue)
“0”
Erase Sus
Read Sts
“1”
Erase Sus
Read Array
“1”
Status
Status
Status
Status
Array
Erase Command Error
Erase
Erase
Erase
Erase Command
(continue) CmdError (continue)
Error
Read
Array
Program
Setup
Erase
Setup
Read Array
Read Sts
Read
Array
Erase (continue)
Erase Sus
Read Sts
Erase (continue)
Erase Sus
Read
Array
Program
Setup
Erase Sus
Read
Array
Erase Erase Sus
Read
(continue) Array
Erase
(continue)
Erase Erase
Sus Sus Read
Read Sts Array
Erase Sus
Read
Array
Program
Setup
Erase Sus
Read
Array
Erase Erase Sus
(continue)
Read
Array
Erase
(continue)
Erase Erase
Sus Sus Read
Read Sts Array
Erase Sus
Read
Elect.Sg.
Erase Sus
Read CFI
Erase
(complete)
“1”
Electronic
Signature
Erase Sus
Read
Array
Program
Setup
Erase Sus
Read
Array
Erase Erase Sus
(continue)
Read
Array
Erase
(continue)
Erase Erase
Sus Sus Read
Read Sts Array
“1”
CFI
Erase Sus
Read
Array
Program
Setup
Erase Sus
Read
Array
Erase Erase Sus
Read
(continue) Array
Erase
(continue)
Erase Erase
Sus Sus Read
Read Sts Array
“1” Status
Read
Array
Program
Setup
Erase
Setup
Read Array
Read Sts
Read
Array
1. Cmd = Command, Elect.Sg. = Electronic Signature, Ers = Erase, Prog. = Program, Prot = Protection, Sus = Suspend.
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