SB72-301CR NetBurner Inc, SB72-301CR Datasheet - Page 24
SB72-301CR
Manufacturer Part Number
SB72-301CR
Description
Ethernet Modules & Development Tools 32Bit 62MHz Single Board Module RJ45
Manufacturer
NetBurner Inc
Datasheet
1.S29AL008J70BFI020.pdf
(56 pages)
Specifications of SB72-301CR
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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24
The Secured Silicon Sector protection must be used with caution since, once protected, there is no procedure
available for unprotecting the Secured Silicon Sector area, and none of the bits in the Secured Silicon Sector
memory space can be modified in any way.
Figure 8.1 Secured Silicon Sector Protect Verify
A2=0, A3=1, A4=1,
Write 40h to SecSi
A2=0, A3=1, A4=1,
A5=0, A6=0, A7=0
A5=0, A6=0, A7=0
Read from SecSi
with A0=0, A1=1,
with A0=0, A1=1,
Sector address
Sector address
S29AL008J
RESET# = V
Write 60h to
any address
Wait 1 ms
START
D a t a
ID
S h e e t
SecSi Sector is
SecSi Sector is
If data = 00h,
If data = 01h,
from RESET#
Remove V
SecSi Sector
Protect Verify
unprotected.
Write reset
protected.
command
complete
ID
S29AL008J_00_09 February 23, 2010
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