m28w320fcb STMicroelectronics, m28w320fcb Datasheet - Page 65

• Manufacturer Part Number: m28w320fcb
• Description: 32 Mbit 2mb X16, Boot Block 3v Supply Flash Memory
• Manufacturer: STMicroelectronics

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