S71PL129JB0BFW9Z0 Spansion Inc., S71PL129JB0BFW9Z0 Datasheet - Page 40
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S71PL129JB0BFW9Z0
Manufacturer Part Number
S71PL129JB0BFW9Z0
Description
Manufacturer
Spansion Inc.
Datasheet
1.S71PL129JB0BFW9Z0.pdf
(153 pages)
Specifications of S71PL129JB0BFW9Z0
Operating Supply Voltage (max)
3.1V
Operating Temperature (max)
85C
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
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38
Temporary Sector
Unprotect Mode
Sector Protect
from RESET#
Remove V
Device failed
Increment
Write reset
PLSCNT
PLSCNT
command
complete
= 25?
No
Yes
Sector Protect
ID
Algorithm
Figure 1. In-System Sector Protection/Sector Unprotection Algorithms
No
No
Write 60h to sector
Protect: Write 40h
to sector address
Protect another
Sector Protect:
sector address
RESET# = V
Sector Protect
from RESET#
Verify Sector
with A7-A0 =
Set up sector
PLSCNT = 1
Cycle = 60h?
address with
with A7-A0 =
Remove V
Wait 100 µs
Data = 01h?
Write reset
Read from
First Write
00000010
00000010
command
Wait 4 μs
00000010
A7-A0 =
complete
address
START
sector?
Yes
Yes
No
ID
ID
Yes
S71PL129JC0/S71PL129JB0/S71PL129JA0
PLSCNT = 1
A d v a n c e
Reset
The indicated portion
Protect all sectors:
unprotected sectors
of the sector protect
prior to issuing the
unprotect address
algorithm must be
performed for all
first sector
Sector Unprotect
I n f o r m a t i o n
from RESET#
Device failed
Remove V
Write reset
Increment
command
PLSCNT
PLSCNT
complete
= 1000?
Yes
No
Sector Unprotect
ID
Algorithm
No
No
Write 60h to sector
Set up first sector
Sector Unprotect:
Unprotect: Write
Sector Unprotect
RESET# = V
sector address
40h to sector
from RESET#
Verify Sector
address with
with A7-A0 =
Cycle = 60h?
PLSCNT = 1
address with
Remove V
Wait 1.2 ms
Data = 00h?
Write reset
Read from
First Write
Last sector
01000010
00000010
00000010
command
Wait 4 μs
All sectors
protected?
complete
A7-A0 =
A7-A0 =
address
verified?
START
Yes
Yes
Yes
Yes
S71PL129Jxx_00_A8 October 28, 2005
ID
ID
No
No
Temporary Sector
Unprotect Mode
next sector
address
Set up
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