MB84VD23280EA Datasheet, PDF (16/45 Pages) Fujitsu Component Limited. – 64M (x8/x16) FLASH MEMORY & 8M (x8/x16) STATIC RAM

MB84VD23280EA-90/MB84VD23280EE-90
Table 6 Flash Memory Command Definitions
Command
Sequence
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
Program
Word
555h
2AAh
555h
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
Word
555h
2AAh
555h
555h
2AAh
Sector Erase
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 — — — —
Protection *^{2 Byte}
Set to
Fast Mode
Word
3
Byte
555h
2AAh
555h
AAh
55h
20h
AAAh
555h
AAAh
—
—
—
—
—
—
Fast
Program *¹
Word
2
Byte
XXXh
A0h PA
XXXh
PD
—
—
—
—
—
—
—
—
Reset from ^Word
Fast Mode *¹ _Byte
2
BA
BA
90h
XXXh
XXXh
*⁴
F0h
—
—
—
—
—
—
—
—
Query
Word
(BA)
55h
1
98h — — — — — — — — — —
Byte
(BA)
AAh
Hi-ROM
Entry
Word
555h
2AAh
555h
3
AAh
55h
88h — — — — — —
Byte
AAAh
555h
AAAh
Hi-ROM
Program *³
Word
4
Byte
555h
2AAh
AAh
AAAh
555h
555h
55h
A0h
AAAh
(HRA)
PA
PD
—
—
—
—
Hi-ROM
Exit *³
Word
555h
2AAh
(HRBA)
555h
4
AAh
55h
90h XXXh 00h — — — —
Byte
AAAh
555h
(HRBA)
AAAh
(Continued)
16