ESMT
F49L320UA/F49L320BA
Table 5. F49L320UA/F49L320BA Software Command Definitions
Bus Cycle Note1~4
3rd 4th
Addr Data Addr Data Addr Data Addr Data Addr Data Addr Data
Command Sequence
Cycles
1st
2nd
5th
6th
Read Note 5
Reset Note 6
1
1
RA
XXX
RD
F0
X00 XX8C
X04 XX7F
X08 XX7F
X0C XX7F
Word
Byte
555
2AA
555
555
Manufacturer ID
4
AA
55
90
X00
X04
X08
X0C
8C
7F
7F
7F
AAA
AAA
Device ID,
F49L320UA
Device ID,
F49L320BA
Word
Byte
Word
Byte
555
AAA
555
AAA
555
2AA
555
2AA
555
2AA
555
AAA
555
AAA
555
X01 22F6
X02 F6
X01 22F9
4
4
AA
AA
55
55
90
90
X02
X03
F9
Secured Silicon Sector Word
4
4
AA
AA
55
55
90
90
8D/0D
Factory Protect
F49L320UA Note 8
Secured Silicon Sector Word
Factory Protect
Byte
AAA
555
555
2AA
555
AAA
555
X06
X03
X06
9D/1D
Byte
AAA
AAA
F49L320BA Note 8
XX00
XX01
(SA)
X02
Word
555
2AA
555
Sector Protect Verify
Note 9
4
AA
55
90
(SA)
X04
00
01
Byte
AAA
555
AAA
Word
555
AAA
555
AAA
55
2AA
555
2AA
555
555
AAA
555
Enter Secured Silicon
Sector Region
3
4
1
AA
AA
98
55
55
88
90
Byte
Word
Byte
Word
Byte
Word
Byte
Exit Secured Silicon Sector
Region
XXX
00
AAA
CFI Query Note 10
AA
555
AAA
2AA
555
555
Program
4
6
6
AA
AA
AA
55
55
55
A0
80
80
PA
PD
AA
AA
AAA
Word
Byte
Word
Byte
555
AAA
555
2AA
555
2AA
555
555
AAA
555
555
AAA
555
2AA
555
2AA
555
555
Chip Erase
Sector Erase
55
10
30
AAA
55 SA
AAA
XXX
XXX
AAA
AAA
Erase Suspend Note 11
Erase Resume Note 12
1
1
B0
30
Elite Semiconductor Memory Technology Inc.
Publication Date : Sep. 2008
Revision: 1.1 13/55
ESMT [ ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC. ]
