S71GL064A08 SPANSION [SPANSION], S71GL064A08 Datasheet - Page 34

• Manufacturer Part Number: S71GL064A08
• Description: STACKED MULTI CHIP PRODUCT FLASH MEMORY AND RAM
• Manufacturer: SPANSION [SPANSION]

Notes:
1.
2.
32
All protected sector groups unprotected (If WP# = V
All previously protected sector groups are protected once again.
Temporary Sector Group Unprotect
This feature allows temporary unprotection of previously protected sector groups to change
data in-system. The Sector Group Unprotect mode is activated by setting the RESET# pin to
V
selecting the sector group addresses. Once V
viously protected sector groups are protected again.
23
ID
. During this mode, formerly protected sector groups can be programmed or erased by
shows the timing diagrams, for this feature.
Figure 1. Temporary Sector Group Unprotect Operation
A d v a n c e
Group Unprotect Completed
IL
S71GL064A based MCPs
, the first or last sector will remain protected).
Program Operations
Temporary Sector
Perform Erase or
RESET# = V
RESET# = V
(Note 1)
(Note 2)
START
ID
ID
IH
I n f o r m a t i o n
is removed from the RESET# pin, all the pre-
Figure 1
shows the algorithm, and
S71GL064A_00_A2 February 8, 2005
Figure