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MB84VD22184FM Datasheet, PDF (20/47 Pages) SPANSION – 32M (x16) FLASH MEMORY AND 4M (x16) STATIC RAM
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MB84VD22184FM/VD22194FM-70
Command Definitions Table
Command
sequence
Read/Reset*1
Read/Reset*1
Bus
write
cycles
req’d
1
3
First bus
write cycle
Addr. Data
XXXh F0h
555h AAh
Autoselect
3 555h AAh
Program
4 555h AAh
Program
Suspend
1
BA B0h
Program
Resume
1
BA 30h
Chip Erase
6 555h AAh
Sector Erase
6 555h AAh
Erase Suspend 1
BA B0h
Erase Resume 1
BA 30h
Set to
Fast Mode
3 555h AAh
Fast
Program *2
2 XXXh A0h
Reset from Fast
Mode *2
2
BA 90h
Extended
Sector Group
4 XXXh 60h
Protection *3
Query *4
1
(BA)
55h
98h
HiddenROM
Entry
3 555h AAh
HiddenROM
Program *5
4 555h AAh
HiddenROM
Exit *5
4 555h AAh
Second bus
write cycle
Addr.

2AAh
Data

55h
2AAh 55h
2AAh 55h




2AAh 55h
2AAh 55h




2AAh 55h
PA PD
XXXh F0h*6
SPA 60h


2AAh 55h
2AAh 55h
2AAh 55h
Third bus
write cycle
Addr.

555h
(BA)
555h
555h
Data

F0h
90h
A0h
Fourth bus
read/write cy-
cle
Addr. Data


RA RD


PA PD





555h
555h


555h



80h 555h AAh
80h 555h AAh






20h 









SPA 40h SPA SD




555h 88h 

555h
A0h
(HRA)
PA
PD
(HRBA)
555h
90h
XXXh
00h
Fifth bus
write cycle
Addr. Data












2AAh 55h
2AAh 55h




















Sixth bus
write cycle
Addr. Data












555h 10h
SA 30h




















(Continued)
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