en29lv800bt-90tip Eon Silicon Solution Inc., en29lv800bt-90tip Datasheet - Page 21
![no-image](/images/no-image-200.jpg)
en29lv800bt-90tip
Manufacturer Part Number
en29lv800bt-90tip
Description
8 Megabit 1024k X 8-bit / 512k X 16-bit Flash Memory Boot Sector Flash Memory, Cmos 3.0 Volt-only
Manufacturer
Eon Silicon Solution Inc.
Datasheet
1.EN29LV800BT-90TIP.pdf
(41 pages)
- Current page: 21 of 41
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Flowchart 7a. In-System Sector Protect Flowchart
This Data Sheet may be revised by subsequent versions
or modifications due to changes in technical specifications.
Sector Protect
Temporary Sector
Unprotect Mode
Algorithm
PLSCNT = 25?
Device failed
Increment
PLSCNT
No
Yes
Rev. H, Issue Date: 2008/07/07
No
No
Sector Protect: Write 60h
to sector addr with
A6 = 0, A1 = 1, A0 = 0
Verify Sector Protect:
Write 40h to sector
address with
A6 = 0, A1 = 1, A0 = 0
A6 = 0, A1 = 1, A0
21
Read from sector
Protect another
Sector Protect
RESET# = V
Data = 01h?
from RESET#
Set up sector
PLSCNT = 1
address with
Wait 150 μs
Remove V
Write reset
First Write
Wait 0.4 μs
command
Wait 1 μs
complete
address
Cycle =
sector?
START
60h?
©2004 Eon Silicon Solution, Inc., www.essi.com.tw
Yes
No
Yes
ID
ID
Yes
EN29LV800B
PLSCNT = 1
Reset
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