S29GL032A10BAIR12 SPANSION [SPANSION], S29GL032A10BAIR12 Datasheet - Page 36

• Manufacturer Part Number: S29GL032A10BAIR12
• Description: 64 MEGABIT 32MEGABIT 3.0 BOLT ONLY PAGE MODE FLASH MEMORY
• Manufacturer: SPANSION [SPANSION]

Temporary Sector Group Unprotect
Notes:
1. All protected sector groups unprotected (If WP# = V
2. All previously protected sector groups are protected once again.
34
uniform sector devices; the top or bottom two address sectors will remain protected for boot sector devices).
This feature allows temporary unprotection of previously protected sector groups
to change data in-system. The Sector Group Unprotect mode is activated by set-
ting the RESET# pin to V
can be programmed or erased by selecting the sector group addresses. Once V
is removed from the RESET# pin, all the previously protected sector groups are
protected again.
diagrams, for this feature.
Figure 1. Temporary Sector Group Unprotect Operation
Figure 1
S29GLxxxA MirrorBit™ Flash Family
ID
shows the algorithm, and
. During this mode, formerly protected sector groups
A d v a n c e
Group Unprotect Completed
Program Operations
Temporary Sector
Perform Erase or
RESET# = V
RESET# = V
IL
(Note 1)
(Note 2)
, the highest or lowest address sector will remain protected for
START
ID
IH
I n f o r m a t i o n
Figure 22
shows the timing
S29GLxxxA_00_A2 January 28, 2005
ID