M25PE80-VMW6TP Numonyx, B.V., M25PE80-VMW6TP Datasheet - Page 16

• Manufacturer Part Number: M25PE80-VMW6TP
• Description: 8-Mbit, page-erasable serial flash memory with byte alterability, 75 MHz SPI bus, standard pinout
• Manufacturer: Numonyx, B.V.

Operating features
Table 2.
Table 3.
1. All other bit combinations are not-applicable.
2. For more details, refer to the description of the
3. See
16/66
Sector lock register
down bit
down
Lock
Sector lock
bit
Lock
0
1
register
0
0
1
1
Important note on page 6
Write
lock
bit
0
1
0
1
Software protection truth table (sectors 0 to 15, 64-Kbyte granularity)
lock bit
Not for new design: TY7 process only, software protection scheme truth
table (sectors 0 and 15)
Write
0
1
0
1
Subsector lock
down
Lock
bit
0
0
1
1
0
1
1
1
1
register
Sector unprotected from program/erase/write operations, protection status reversible
Sector protected from program/erase/write operations, protection status reversible
Sector unprotected from program/erase/write operations,
Sector protection status cannot be changed except by a reset or power-up.
Sector protected from program/erase/write operations,
Sector protection status cannot be changed except by a reset or power-up.
Write
lock
bit
0
1
0
1
1
1
0
1
1
for differences between devices produced in T7Y and T9HX processes.
Current subsector unprotected from program/erase/write operations,
Current subsector protection status reversible
Current subsector protected from program/erase/write operations,
Current subsector protection status reversible.
Current subsector unprotected from program/erase/write operations, current
subsector protection status cannot be changed except by a reset or power-up.
Current subsector protected from program/erase/write operations, Current
subsector protection status cannot be changed except by a reset or power-up.
All subsectors protected from program/erase/write operations, current subsector
protection status reversible
All subsectors protected from program/erase/write operations, current subsector
protection status cannot be changed except by a reset or power-up.
Current subsector unprotected from program/erase/write operations, all
subsectors protection status cannot be changed except by a reset or power-up
Current subsector protected from program/erase/write operations, all subsectors
protection status cannot be changed except by a reset or power-up
All subsectors protected with their protection status cannot be changed except by
a reset or power-up.
(1) (2) (3)
Write to lock register (WRLR)
Protection status
Protection status
instruction.
M25PE80