MB84VD23280FA Datasheet, PDF (19/49 Pages) SPANSION – 64M (X8/X16) FLASH MEMORY & 8M (X8/X16) STATIC RAM

MB84VD23280FA-70
Command
Sequence
Flash Memory Command Definitions
Bus First Bus Second Bus Third Bus
Write _{Write Cycle Write Cycle Write Cycle}
Cycles
Fourth Bus
Read/Write
Cycle
Fifth Bus
Write Cycle
Sixth Bus
Write Cycle
Req’d _{Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data}
Word
Read/Reset
1 XXXh F0h — — — — — — — — — —
Byte
Word
555h
2AAh
555h
Read/Reset
3
AAh
55h
F0h RA RD — — — —
Byte
AAAh
555h
AAAh
Word
555h
2AAh
(BA)
555h
Autoselect
3
AAh
55h
90h — — — — — —
Byte
AAAh
555h
(BA)
AAAh
Word
555h
2AAh
555h
Program
4
AAh
55h
A0h PA PD — — — —
Byte
AAAh
555h
AAAh
Program Suspend
1
BA B0h — — — — — — — — — —
Program Resume
1
BA 30h — — — — — — — — — —
Word
555h
2AAh
555h
555h
2AAh
555h
Chip Erase
6
AAh
55h
80h
AAh
55h
10h
Byte
AAAh
555h
AAAh
AAAh
555h
AAAh
Sector
Erase
Word
555h
2AAh
555h
555h
2AAh
6
AAh
55h
80h
AAh
55h SA 30h
Byte
AAAh
555h
AAAh
AAAh
555h
Erase Suspend
1
BA B0h — — — — — — — — — —
Erase Resume
1
BA 30h — — — — — — — — — —
Extended Word
Sector
Group
4 XXXh 60h SPA 60h SPA 40h SPA SD — — — —
Byte
Protection *²
Set to
Word
Fast Mode _Byte
3
555h
2AAh
555h
AAh
55h
20h —
AAAh
555h
AAAh
—
—
—
—
—
Fast
Word
Program *¹ _Byte
2
XXXh
A0h PA PD
XXXh
—
—
—
—
—
—
—
—
Reset from ^Word
Fast Mode *¹ _Byte
2
BA
BA
90h
XXXh
XXXh
*⁴
F0h
—
—
—
—
—
—
—
—
Query
(BA)
Word
55h
1
98h — — — — — — — — — —
(BA)
Byte
AAh
HiddenROM ^Word
Entry
Byte
3
555h
2AAh
555h
AAh
55h
88h —
AAAh
555h
AAAh
—
—
—
—
—
HiddenROM ^Word
Program *³ _Byte
4
555h
2AAh
AAh
AAAh
555h
55h
555h
AAAh
A0h
(HRA)
PA
PD
—
—
—
—
Word
HiddenROM
Exit *³
4
Byte
555h
2AAh
(HRBA)
555h
AAh
55h
90h XXXh 00h —
AAAh
555h
(HRBA)
AAAh
—
—
—
(Continued)
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