MX29LV640BT Macronix International, MX29LV640BT Datasheet - Page 21

• Manufacturer Part Number: MX29LV640BT
• Description: 64M-BIT [8M x 8/4M x 16] SINGLE VOLTAGE 3V ONLY FLASH MEMORY
• Manufacturer: Macronix International

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SOFTWARE COMMAND DEFINITIONS
Device operations are selected by writing specific ad-
dress and data sequences into the command register.
Writing incorrect address and data values or writing them
in the improper sequence will reset the device to the
read mode. Table 3 defines the valid register command
sequences. Note that the Erase Suspend (B0H) and
TABLE 3. MX29LV640BT/BB COMMAND DEFINITIONS
Command
Read (Note 5)
Reset (Note 6)
Automatic Select (Note 7)
Enter Secured Silicon
Sector
Exit Secured Silicon
Sector
Program
Chip Erase
Sector Erase
CFI Query (Note 12)
Erase Suspend (Note 10)
Erase Resume (Note 11)
Secured Sector Fact-
ory Protect (Note 9)
Sector Group Protect
Verify (Note 8)
Manufacturer ID
Device ID
Word
Byte
Word
Byte
Word
Byte
Byte
Word
Byte
Word
Byte
Word
Byte
Word
Byte
Word
Byte
Word
Byte
Word
Cycles Addr Data Addr Data Addr Data Addr
Bus
1
1
4
4
4
4
4
4
3
3
4
4
4
4
6
6
6
6
1
1
1
1
4
4
AAA
AAA
First Bus
RA
XXX
555
AAA
555
AAA
555
AAA
555
AAA
555
555
555
AAA
555
AAA
555
AAA
55
AA
BA
BA
Cycle
RD
F0
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
98
98
B0
30
AA
AA
Second Bus Third Bus
2AA
555
2AA
555
2AA
555
2AA
555
2AA
555
2AA
555
2AA
555
2AA
555
2AA
555
Cycle
21
55
55
55
55
55
55
55
55
55
55
55
55
55
55
55
55
55
55
Erase Resume (30H) commands are valid only while the
Sector Erase operation is in progress. Either of the two
reset command sequences will reset the device (when
applicable).
All addresses are latched on the falling edge of WE# or
CE#, whichever happens later. All data are latched on
rising edge of WE# or CE#, whichever happens first.
MX29LV640BT/BB
555
AAA
555
AAA
555
AAA
555
AAA
555
AAA
555
AAA
555
AAA
555
AAA
555
AAA
Cycle
90
90
90
90
90
90
90
88
88
90
90
A0
A0
80
80
80
80
90
Fourth Bus
X00
X00
X01
X02
X03
X06
(SA)X04 xx01
XXX
XXX
PA
PA
555
AAA
555
AAA
(SA)X02 xx00/
Cycle
C2H
DDI
note 9
00
PD
AA
AA
AA
AA
Data
C2H
see
00
PD
Fifth Bus
Addr Data Addr Data
2AA 55
555
2AA 55
555
Cycle
REV. 1.2, SEP. 07, 2005
55
55
Sixth Bus
555
AAA 10
SA
SA
Cycle
10
30
30