MX29LV033 Macronix, MX29LV033 Datasheet - Page 12

• Manufacturer Part Number: MX29LV033
• Description: 32M-Bit CMOS Flash Memory
• Manufacturer: Macronix

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 2 defines the valid register command
sequences. Note that the Erase Suspend (B0H) and
Erase Resume (30H) commands are valid only while the
Sector Erase operation is in progress. Either of the two
TABLE 2. MX29LV033 COMMAND DEFINITIONS
Legend:
X=Don't care
RA=Address of the memory location to be read.
RD=Data read from location RA during read operation.
PA=Address of the memory location to be programmed.
Addresses are latched on the falling edge of the WE or
CE pulse.
PD=Data to be programmed at location PA. Data is
latched on the rising edge of WE or CE pulse.
SA=Address of the sector to be erased or verified.
Address bits A21-A16 uniquely select any sector.
P/N:PM0679
Command
Read(Note 5)
Reset(Note 6)
Autoselect(Note 7)
Byte Program
Unlock Bypass
Chip Erase
Sector Erase
Erase Suspend(Note 9)
Erase Resume(Note 10)
Sector Protect
Manufacturer ID
Device ID
Verify (Note 8)
Cycle
Bus
1
1
4
6
4
4
4
4
3
6
1
1
First Bus
Cycle
Addr
RA
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
Data Addr
RD
F0
AA
AA
AA
AA
AA
AA
AA
AA
B0
30
Second Bus
Cycle
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
Data Addr
55
55
55
55
55
55
55
55
12
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 ris-
ing edge of WE or CE, whichever happens first.
Third Bus
Cycle
0XXXXX
0XXXXX or 90
2XXXXX
XXX
XXX
XXX
XXX
0XXXXX
Data Addr Data Addr Data Addr Data
90
90
90
A0
80
20
80
Fourth Bus
Cycle
X00
X01
SA
X02
PA
XXX
XXX
MX29LV033
02
A3
00
01
PD
AA
AA
XXX
Fifth Bus
Cycle
XXX
REV. 1.2, OCT. 06, 2003
55
55
Sixth Bus
Cycle
SA
XXX 10
30