MB84VD23180FM Datasheet, PDF (22/49 Pages) SPANSION – 64M (x16) FLASH MEMORY AND 4M (x16) STATIC RAM

MB84VD23180FM-70
Command
Sequence
Bus
Write
Cycles
Req’d
Flash Memory Command Definitions
First Bus
Write Cycle
Second Bus
Write Cycle
Third Bus
Write Cycle
Fourth Bus
Read/Write
Cycle
Addr. Data Addr. Data Addr. Data Addr. Data
Fifth Bus
Write Cycle
Addr. Data
Sixth Bus
Write Cycle
Addr. Data
Read/Reset 1 XXXh F0h — — — — — — — — — —
Read/Reset 3 555h AAh 2AAh 55h 555h F0h RA RD — — — —
Autoselect
3
555h
AAh 2AAh
55h
(BA)
555h
90h
—
—
——
—
—
Program
4 555h AAh 2AAh 55h 555h A0h PA PD — — — —
Program
Suspend
1
BA B0h — — — — — — — — — —
Program Re-
sume
1
BA 30h — — — — — — — — — —
Chip Erase
6 555h AAh 2AAh 55h 555h 80h 555h AAh 2AAh 55h 555h 10h
Sector Erase 6 555h AAh 2AAh 55h 555h 80h 555h AAh 2AAh 55h SA 30h
Erase
Suspend
1
BA B0h — — — — — — — — — —
Erase
Resume
1
BA 30h — — — — — — — — — —
Extended
Sector Group 4 XXXh 60h SPA 60h SPA 40h SPA SD — — — —
Protection *²
Set to
Fast Mode
3 555h AAh 2AAh 55h 555h 20h — — — — — —
Fast
Program *¹
2 XXXh A0h PA PD — — — — — — — —
Reset from
Fast Mode *¹
2
BA
90h
XXXh
*⁴
F0h
—
—
—
———
—
—
Query
1
(BA)
55h
98h
—
—
—
—
—
—
——
—
—
HiddenROM
Entry
3
555h AAh 2AAh 55h 555h 88h —
—
——
—
—
HiddenROM
Program *³
4
555h
AAh 2AAh
55h
555h
A0h
(HRA)
PA
PD
—
—
—
—
HiddenROM
Exit *³
4
555h
AAh
2AAh
55h
(HRBA)
555h
90h
XXXh
00h
—
—
—
—
(Continued)
21