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EN29LV160A View Datasheet(PDF) - Eon Silicon Solution Inc.

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EN29LV160A Datasheet PDF : 43 Pages
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Flowchart 7a. In-System Sector Protect Flowchart
START
PLSCNT = 1
RESET# = VID
Wait 1 µs
EN29LV160A
No
Temporary Sector
Unprotect Mode
First Write
Cycle =
60h?
Yes
Set up sector
address
Sector Protect: Write 60h
to sector addr with
A6 = 0, A1 = 1, A0 = 0
Increment
PLSCNT
Wait 150 µs
Verify Sector Protect:
Write 40h to sector
address with
A6 = 0, A1 = 1, A0 = 0
Wait 0.4 µs
Read from sector
address with
A6 = 0, A1 = 1, A0
No
No
PLSCNT = 25?
Data = 01h?
Yes
Device failed
Yes
Protect another
Yes
sector?
No
Remove VID
from RESET#
Sector Protect
Algorithm
Write reset
command
Sector Protect
complete
Reset
PLSCNT = 1
This Data Sheet may be revised by subsequent versions 23 ©2004 Eon Silicon Solution, Inc., www.essi.com.tw
or modifications due to changes in technical specifications.
Rev. C, Issue Date: 2005/01/07
 

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