S71PL032J SPANSION [SPANSION], S71PL032J Datasheet - Page 59

• Manufacturer Part Number: S71PL032J
• Description: STACKED MULTI CHIP PRODUCT FLASH MEMORY AND RAM
• Manufacturer: SPANSION [SPANSION]

August 12, 2004 S29PL127J_064J_032J_MCP_00_A3
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.
No
No
Write 60h to sector
Protect: Write 40h
to sector address
Sector Protect:
Protect another
RESET# = V
sector address
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
complete
A7-A0 =
A d v a n c e
address
START
sector?
In-System Sector Protection/Sector Unprotection Algorithms
Yes
Yes
No
ID
ID
Yes
S29PL127J/S29PL064J/S29PL032J for MCP
PLSCNT = 1
I n f o r m a t i o n
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
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
sector address
RESET# = V
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
protected?
01000010
00000010
00000010
command
Wait 4 µs
All sectors
complete
A7-A0 =
A7-A0 =
verified?
address
START
Yes
Yes
Yes
Yes
ID
ID
No
No
Temporary Sector
Unprotect Mode
next sector
address
Set up
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