EM39LV800
8M Bits (512Kx16) Flash Memory
SPECIFICATION
Software Command Sequence
Command
Sequence
Word Program
Sector Erase
Block Erase
Chip Erase
Software ID
5,6
Entry
Manufacture ID
Manufacture ID
Manufacture ID
Device ID
1st Bus
Write Cycle
Addr
1
2nd Bus
Write Cycle
Addr
1
3rd Bus
Write Cycle
Addr
1
4th Bus
Write Cycle
Addr
WA
1
5th Bus
Write Cycle
Addr
1
6th Bus
Write Cycle
Addr
1
Data
2
Data
2
Data
2
Data
2
Data
2
Data
2
5555H
5555H
5555H
5555H
5555H
5555H
5555H
5555H
5555H
AAH
AAH
AAH
AAH
AAH
AAH
AAH
AAH
AAH
AAH
F0H
AAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
55H
55H
55H
55H
55H
55H
55H
55H
55H
55H
5555H
5555H
5555H
5555H
5555H
5555H
5555H
5555H
5555H
5555H
A0H
80H
80H
80H
90H
90H
90H
90H
90H
98H
3
Data
AAH
AAH
AAH
2AAAH
2AAAH
2AAAH
55H
55H
55H
SA
X
4
BA
X
4
5555H
30H
50H
10H
5555H
5555H
5555H
0000H 0007F
0003H 0007F
0040H 0001F
0001H 0020H
CFI Query Entry
5
5555H
Software ID
Exit
7
/CFI Exit
Software ID
Exit
7
/CFI Exit
XXH
5555H
2AAAH
55H
5555H
F0H
Notes:
1. Address format A14-A0 (Hex), Addresses A18-A15 can be V
IL
or V
IH
, but no other value, for the Command
sequence.
2. DQ15-DQ8 can be V
IL
or V
IH
, but no other value, for the Command sequence.
3. WA = Program word address.
4. SA
X
for Sector-Erase; uses A18-A11 address lines.
BA
X
for Block-Erase; uses A18-A15 address lines.
5. The device does not remain in Software Product ID mode if powered down.
6. Both Software ID Exit operations are equivalent.
7. Refer to Figure 9 for more information.
Table 3:
Software Command Sequence
This specification is subject to change without further notice. (04.09.2004 V1.0)
Page 8 of
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EMC [ ELAN MICROELECTRONICS CORP ]
