S29GL032A10BAIR12 SPANSION [SPANSION], S29GL032A10BAIR12 Datasheet - Page 37
S29GL032A10BAIR12
Manufacturer Part Number
S29GL032A10BAIR12
Description
64 MEGABIT 32MEGABIT 3.0 BOLT ONLY PAGE MODE FLASH MEMORY
Manufacturer
SPANSION [SPANSION]
Datasheet
1.S29GL032A10BAIR12.pdf
(88 pages)
- Current page: 37 of 88
- Download datasheet (2Mb)
January 28, 2005 S29GLxxxA_00_A2
Sector Group
Temporary Sector
Group Unprotect
Algorithm
Device failed
Increment
Protect
PLSCNT
PLSCNT
= 25?
Mode
No
Yes
No
No
Sector Group Protect:
sector group address
Verify Sector Group
Figure 2. In-System Sector Group Protect/Unprotect Algorithms
Write 60h to sector
group address with
Protect: Write 40h
A6–A0 = 0xx0010
A6–A0 = 0xx0010
Protect complete
to sector group
RESET# = V
group address
from RESET#
Sector Group
sector group?
Set up sector
address with
Remove V
PLSCNT = 1
Cycle = 60h?
Wait 150 µs
with A6–A0
Data = 01h?
Write reset
Read from
First Write
= 0xx0010
command
Wait 1 µs
START
another
Protect
A d v a n c e
No
Yes
Yes
ID
ID
Yes
S29GLxxxA MirrorBit™ Flash Family
PLSCNT = 1
I n f o r m a t i o n
Reset
must be performed for all
group protect algorithm
groups prior to issuing
groups: The indicated
the first sector group
portion of the sector
unprotected sector
Protect all sector
unprotect address
Sector Group
Unprotect
Algorithm
Device failed
Increment
PLSCNT
PLSCNT
= 1000?
Yes
No
No
No
Verify Sector Group
40h to sector group
Unprotect complete
group address with
Write 60h to sector
Set up first sector
A6–A0 = 1xx0010
A6–A0 = 1xx0010
A6–A0 = 1xx0010
Unprotect: Write
RESET# = V
group address
Sector Group
from RESET#
Sector Group
address with
sector group
address with
PLSCNT = 1
Cycle = 60h?
Remove V
Data = 00h?
Write reset
Wait 15 ms
Read from
First Write
Last sector
protected?
Unprotect:
command
Wait 1 µs
All sector
verified?
START
groups
group
Yes
Yes
Yes
Yes
ID
ID
No
No
next sector group
Temporary Sector
Group Unprotect
address
Set up
Mode
35
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