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EN29LV320C Datasheet(HTML) 18 Page - Eon Silicon Solution Inc.

Part No. EN29LV320C
Description  32 Megabit (4096K x 8-bit / 2048K x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only
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Maker  EON [Eon Silicon Solution Inc.]
Homepage  http://www.essi.com.tw
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EN29LV320C Datasheet(HTML) 18 Page - Eon Silicon Solution Inc.

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This Data Sheet may be revised by subsequent versions
© 2004 Eon Silicon Solution, Inc.,
www.eonssi.com
or modifications due to changes in technical specifications.
18
EN29LV320C
Rev. B, Issue Date: 2011/05/13
COMMAND DEFINITIONS
The operations of the device are selected by one or more commands written into the command
register. Commands are made up of data sequences written at specific addresses via the command
register. The sequences for the specified operation are defined in the Command Definitions table
(Table 9). Incorrect addresses, incorrect data values or improper sequences will reset the device to
Read Mode.
Table 12. EN29LV320C Command Definitions
Bus Cycles
1
P
st
P
Cycle
2
P
nd
P
Cycle
3
P
rd
P
Cycle
4
P
th
P
Cycle
5
P
th
P
Cycle
6
P
th
P
Cycle
Command
Sequence
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Read
1 RA
RD
Reset
1 xxx
F0
000
7F
Word
555
2AA
555
100
1C
000
7F
Manufacturer ID
Byte
4
AAA
AA
555
55
AAA
90
200
1C
Word
555
2AA
555
x01
22F6
Device ID
Top Boot
Byte
4
AAA
AA
555
55
AAA
90
x02
F6
Word
555
2AA
555
x01
22F9
Device ID
Bottom Boot
Byte
4
AAA
AA
555
55
AAA
90
x02
F9
00
Word
555
2AA
555
(SA)
X02
01
00
Sector Protect
Verify
Byte
4
AAA
AA
555
55
AAA
90
(SA)
X04
01
Word
555
2AA
555
Program
Byte
4
AAA
AA
555
55
AAA
A0
PA
PD
Word
555
2AA
555
555
2AA
555
Chip Erase
Byte
6
AAA
AA
555
55
AAA
80
AAA
AA
555
55
AA
A
10
Word
555
2AA
555
555
2AA
Sector Erase
Byte
6
AAA
AA
555
55
AAA
80
AAA
AA
555
55
SA
30
Sector Erase Suspend
1 xxx
B0
Sector Erase Resume
1 xxx
30
Word
55
CFI Query
Byte
1
AA
98
Word
555
2AA
555
Enter Secured
Silicon Sector
Byte
3
AAA
AA
555
55
AAA
88
Word
555
2AA
555
xxx
00
Exit Secured
Silicon Sector
Byte
4
AAA
AA
555
55
AAA
90
xxx
00
Address and Data values indicated are in hex. Unless specified, all bus cycles are write cycles
RA = Read Address: address of the memory location to be read. This is a read cycle.
RD = Read Data: data read from location RA during Read operation. This is a read cycle.
PA = Program Address: address of the memory location to be programmed. X = Don’t-Care
PD = Program Data: data to be programmed at location PA
SA = Sector Address: address of the Sector to be erased or verified. Address bits A20-A12 uniquely select any Sector.


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