MB84VD2108X Datasheet, PDF (23/55 Pages) Fujitsu Component Limited. – 16M (x8/x16) FLASH MEMORY & 2M (x8/x16) STATIC RAM

MB84VD2108X-85/MB84VD2109X-85
Table 6 Flash Memory Command Definitions
Command
Sequence
Bus
Write
Cycles
Req’d
First Bus
Write Cycle
Addr. Data
Second Bus
Write Cycle
Addr. Data
Third Bus
Write Cycle
Fourth Bus
Read/Write
Cycle
Fifth Bus
Write Cycle
Sixth Bus
Write Cycle
Addr. Data Addr. Data Addr. Data Addr. Data
Read/Reset (Note 1)
1 XXXH F0H 



Read/Reset
(Note 1)
Word
555H
2AAH
555H
3
AAH
55H
F0H RA RD    
Byte
AAAH
555H
AAAH
Autoselect
Word
555H
2AAH
(BA)
555H
3
AAH
55H
90H      
Byte
AAAH
555H
(BA)
AAAH
Program
Word
555H
2AAH
555H
4
AAH
55H
A0H PA PD    
Byte
AAAH
555H
AAAH
Chip Erase
Word
555H
2AAH
555H
555H
2AAH
555H
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
Sector Erase Suspend 1
BA B0H 



Sector Erase Resume 1
BA 30H 



Set to
Fast Mode
Word
555H
2AAH
555H
3
AAH
55H
20H      
Byte
AAAH
555H
AAAH
Fast Program ^Word
(Note 2)
Byte
2
XXXH A0H PA
PD


Reset from Fast Word
Mode
(Note 2)
2
Byte
BA
90H
XXXH
F0H
(Note6)


Extended
Word
Sector Group
Protection
Byte
4 XXXH 60H SPA 60H
SPA 40H SPA SD 



(Note 3)
Query
(Note 4)
Word
55H
1
98H 

Byte
AAH


Word
555H
2AAH
555H
Hi-ROM Entry
3
AAH
55H
88H      
Byte
AAAH
555H
AAAH
Hi-ROM
Program
(Note 5)
Word
555H
2AAH
555H
4
AAH
55H
A0H PA PD    
Byte
AAAH
555H
AAAH
Hi-ROM Erase ^Word
(Note 5)
Byte
6
555H
2AAH
AAH
55H
AAAH
555H
555H
555H
2AAH
80H
AAH
55H HRA 30H
AAAH
AAAH
555H
Hi-ROM Exit
(Note 5)
Word
Byte
4
555H
2AAH
(HRBA)
555H
AAH
55H
90H XXXH 00H 
AAAH
555H
(HRBA)
AAAH



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