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| MB84VP23481FK-70 Datasheet, PDF (21/67 Pages) SPANSION – 64M (X16) Page FLASH MEMORY & 32M (X16) Mobile FCRAMTM | |||
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MB84VP23481FK-70
⢠Flash Memory Command Definitions
Command
Sequence
Bus
Write
Cy-
First Bus
Write Cycle
Second
Bus
Write Cycle
Third Bus
Write Cycle
Fourth Bus
Read/Write
Cycle
Fifth Bus
Write Cycle
Sixth Bus
Write Cycle
Seventh
Bus
Write Cycle
cles
Reqâd Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data
Read/Reset *1
Read/Reset *1
Autoselect
2 XXXh F0h RA RD â â â â â â â â â â
4 555h AAh 2AAh 55h 555h F0h RA RD â â â â â â
3 555h AAh 2AAh 55h (BA) 90h â â â â â â â â
555h
Program
Chip Erase
Sector Erase
Program/Erase
Suspend
4 555h AAh 2AAh 55h 555h A0h PA PD â â â â â â
6 555h AAh 2AAh 55h 555h 80h 555h AAh 2AAh 55h 555h 10h â â
6 555h AAh 2AAh 55h 555h 80h 555h AAh 2AAh 55h SA 30h â â
1 BA B0h â â â â â â â â â â â â
Program/Erase
Resume
1 BA 30h â â â â â â â â â â â â
Set to Fast Mode
Fast Program *2
Reset from
Fast Mode *2
3 555h AAh 2AAh 55h 555h 20h â â â â â â â â
2 XXXh A0h PA PD â â â â â â â â â â
2 BA 90h XXXh F0h*6 â â â â â â â â â â
Extended Sector
4 XXXh 60h SGA 60h SGA 40h SGA SD â â â â â â
Group Protection*3
Query *4
1 (BA) 98h â â â â â â â â â â â â
55h
HiddenROM Entry 3 555h AAh 2AAh 55h 555h 88h â â â â â â â â
HiddenROM
Program *5
4 555h AAh 2AAh 55h 555h A0h (HRA) PD â â â â â â
PA
HiddenROM
Exit *5
4
555h
AAh 2AAh
55h
(HRBA)
555h
90h
XXXh
00h
â
â
â
â
â
â
HiddenROM
Protect *5
6 555h AAh 2AAh 55h 555h 60h OPBP 68h OPBP 48h XXXh RD(0) â â
Password
Program *7
Password Unlock
Password Verify
XX0h PD0 â â â â â â
XX1h PD1 â â â â â â
4 555h AAh 2AAh 55h 555h 38h
XX2h PD2 â â â â â â
XX3h PD3 â â â â â â
7 555h AAh 2AAh 55h 555h 28h XX0h PD0 XX1h PD1 XX2h PD2 XX3h PD3
4 555h AAh 2AAh 55h 555h C8h PWA PWD â â â â â â
(Continued)
21
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