GT28F400B3B150 Ver la hoja de datos (PDF) - Intel
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GT28F400B3B150 Datasheet PDF : 49 Pages
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SMART 3 ADVANCED BOOT BLOCK–WORD-WIDE
E
APPENDIX B
WRITE STATE MACHINE CURRENT/NEXT STATES
Current
State
Read Array
Program
Setup
Program
(Not Comp.)
Program
(Complete)
Program
Suspend to
Status
SR.7
“1”
“1”
“0”
“1”
“1”
Data
When
Read
Array
Status
Read
Array
(FFH)
Read
Array
Pgm.1
Program
Setup
(40/10H)
Program
Setup
Command Input (and Next State)
Erase
Setup
(20H)
Erase
Confirm
(D0H)
Program /
Erase
Susp.
(B0H)
Program /
Erase
Resume
(D0)
Read
Status
(70H)
Clear
Status
(50H)
Read ID
(90H)
Erase
Setup
Read Array
Read
Status
Read
Array
Read
Identifier
Program (Command input = Data to be programmed)
Status
Program
Status
Read
Array
Program
Setup
Erase
Setup
Status
Prog.
Susp. to
Array
Program Suspend
to Array
Pgm Susp.
to Status
Program
Read Array
Read
Status
Read
Array
Read
Identifier
Program
Program
Susp. to
Array
Program
Prog. Program Suspend to
Susp. to
Array
Status
Program
“1”
Array Prog. Program Suspend Program Program Program Prog. Prog.
Prog.
Suspend to
Susp. to
to Array
Susp. to
Susp. to Susp. to Susp. to
Array
Array
Array
Status Array
Array
Erase Setup
“1”
Status
Erase Command Error
Erase
Erase
Cmd. Err.
Erase
Erase Command Error
Erase
Cmd. Error
“1”
Status Read Program Erase
Array
Setup
Setup
Read Array
Read
Status
Read
Array
Read
Identifier
Erase
“0”
Status
(Not Comp)
Erase
Ers. Susp.
to Status
Erase
Erase
“1”
Status Read Program Erase
(Complete)
Array
Setup
Setup
Read Array
Read
Status
Read
Array
Read
Identifier
Erase
“1”
Status Erase Program Erase
Erase
Erase
Erase
Erase
Erase Suspend
Suspend to
Susp. to Setup Susp. to
Susp. to
Susp. to
to Array
Status
Array
Array
Array
Status
Erase. Susp. “1”
to Array
Array
Erase
Susp. to
Array
Program
Setup
Erase
Susp. to
Array
Erase
Erase
Susp. to
Array
Erase
Erase
Susp. to
Status
Erase Suspend
to Array
Read Status
“1”
Status Read Program Erase
Array
Setup
Setup
Read Array
Read
Status
Read
Array
Read
Identifier
Read
“1”
Identifier
ID
Read Program Erase
Array
Setup
Setup
Read Array
Read
Status
Read
Array
Read
Identifier
1. You cannot program “1”s to the flash. Writing FFH following the Program Setup will initiate the internal program algorithm
of the WSM. Although the algorithm will execute, array data is not changed. The WSM returns to read status mode without
reporting any error. Assuming VPP > VPPLK writing a second FFH while in read status mode will return the flash to read
array mode.
46
PRELIMINARY
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