s71jl064ha0bfw62 Advanced Micro Devices, s71jl064ha0bfw62 Datasheet - Page 52

• Manufacturer Part Number: s71jl064ha0bfw62
• Description: Stacked Multi-chip Product Mcp Flash Memory And Psram Cmos 3.0volt-only, Simultaneous Operation Flash Memories And Static Ram/pseudo-static Ram
• Manufacturer: Advanced Micro Devices

Notes:
1. All protected sectors unprotected (If WP#/ACC = V
2. All previously protected sectors are protected once again.
52
WP# Input Voltage
Temporary Sector Unprotect
V
V
V
HH
(Note: For the following discussion, the term “sector” applies to both sectors and
sector blocks. A sector block consists of two or more adjacent sectors that are
protected or unprotected at the same time (see
This feature allows temporary unprotection of previously protected sectors to
change data in-system. The Temporary Sector Unprotect mode is activated by
setting the RESET# pin to
sectors can be programmed or erased by selecting the sector addresses. Once
V
protected again.
diagrams, for this feature. If the WP#/ACC pin is at V
141 will remain protected during the Temporary sector Unprotect mode.
IH
IL
ID
is removed from the RESET# pin, all the previously protected sectors are
Figure 1. Temporary Sector Unprotect Operation
Figure 2
Disables programming and erasing in SA0, SA1, SA140, and SA141
Enables programming and erasing in SA0, SA1, SA140, and SA141, dependent on
whether they were last protected or unprotected.
Enables accelerated progamming (ACC). See “Accelerated Program Operation” on
page 44..
Table 6. WP#/ACC Modes
shows the algorithm, and
"V
Unprotect Completed
ID
Program Operations
Temporary Sector
Perform Erase or
" section. During this mode, formerly protected
RESET# = V
RESET# = V
S29JL064H
(Note 1)
(Note 2)
IL
P r e l i m i n a r y
START
, sectors 0, 1, 140, and 141 will remain protected).
ID
IH
Table
Device Mode
Figure 25
5).
IL
, sectors 0, 1, 140, and
shows the timing
S71JLxxxHxx_00A1 February 25, 2004