MB84VD21081 FUJITSU [Fujitsu Component Limited.], MB84VD21081 Datasheet - Page 23

• Manufacturer Part Number: MB84VD21081
• Description: 16M (x8/x16) FLASH MEMORY & 2M (x8/x16) STATIC RAM
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

Read/Reset (Note 1)
Read/Reset
Autoselect
Program
Chip Erase
Sector Erase
Sector Erase Suspend
Sector Erase Resume
Set to
Fast Mode
Fast Program
Reset from Fast
Mode
Extended
Sector Group
Protection
Query
Hi-ROM Entry
Hi-ROM
Program
Hi-ROM Erase
Hi-ROM Exit
(Note 5)
(Note 1)
(Note 2)
(Note 2)
(Note 3)
(Note 4)
(Note 5)
(Note 5)
Command
Sequence
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Cycles
Req’d
Write
Bus
1
3
3
4
6
6
1
1
3
2
2
4
1
3
4
6
4
XXXH F0H
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
XXXH A0H
XXXH 60H
AAAH
AAAH
AAAH
AAAH
Write Cycle
Addr. Data Addr.
555H
555H
555H
555H
555H
555H
555H
555H
555H
555H
AAH
55H
First Bus
BA
BA
BA
Table 6 Flash Memory Command Definitions
MB84VD2108X
AAH
AAH
AAH
AAH
AAH
AAH
AAH
AAH
AAH
AAH
B0H
30H
90H XXXH
98H
2AAH
2AAH
2AAH
2AAH
2AAH
2AAH
2AAH
2AAH
2AAH
2AAH
555H
555H
555H
555H
555H
555H
555H
555H
555H
555H
SPA
Second Bus
Write Cycle
PA
(Note6)
Data
55H
55H
55H
55H
55H
55H
F0H
60H
55H
55H
55H
55H
PD
(HRBA)
(HRBA)
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
Addr.
Write Cycle
555H
555H
555H
555H
555H
555H
555H
555H
555H
555H
SPA
Third Bus
(BA)
(BA)
Data Addr. Data Addr. Data Addr. Data
A0H
A0H
F0H
90H
80H
80H
20H
40H
88H
80H
90H XXXH 00H
-85
AAAH
AAAH
AAAH
/MB84VD2109X
Fourth Bus
555H
555H
555H
Read/Write
SPA
RA
PA
PA
Cycle
AAH
AAH
AAH
RD
PD
SD
PD
2AAH
2AAH
2AAH
Write Cycle
555H
555H
555H
Fifth Bus
55H
55H
55H
AAAH
Write Cycle
555H
HRA
Sixth Bus
SA
10H
30H
30H
-85
23