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EN29LV320C Datasheet(HTML) 28 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
Download  49 Pages
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Maker  EON [Eon Silicon Solution Inc.]
Homepage  http://www.essi.com.tw
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EN29LV320C Datasheet(HTML) 28 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.
28
EN29LV320C
Rev. B, Issue Date: 2011/05/13
Flowchart 7a. In-System Sector Group Protect Flowchart
START
PLSCNT = 1
RESET# = VID
Wait 1
μs
First Write
Cycle =
60h?
No
Temporary Sector
Unprotect Mode
Yes
Set up sector
group address
To Protect: Write 60h to
sector addr with
A6 = 0, A1 = 1, A0 = 0
Wait 150
μs
To Verify: Write 40h to
sector group address with
A6 = 0, A1 = 1, A0 = 0
Read from sector
address with
A6 = 0, A1 = 1, A0 = 0
Data = 01h?
No
PLSCNT = 25?
Increment
PLSCNT
No
Device failed
Yes
Protect another
sector?
Yes
Reset
PLSCNT = 1
No
Remove VID
from RESET#
Write reset
command
Sector Protect
complete
Sector Group Protect
Algorithm
Yes
Wait 0.4
μs


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