M28W320FSU STMICROELECTRONICS [STMicroelectronics], M28W320FSU Datasheet - Page 11

• Manufacturer Part Number: M28W320FSU
• Description: 32Mbit (2Mb x16) and 64Mbit (4Mb x16) 3V Supply, Uniform Block, Secure Flash Memories
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

HARDWARE PROTECTION
All devices feature hardware protection. Refer to
SIGNAL DESCRIPTIONS
description of these signals.
SECURITY FEATURES
The M28W320FSU and M28W640FSU are
equipped with KRYPTO Security features per-
forming software protection. They allow any block
to be protected from program/erase or read oper-
ations:
Modify Protection including Volatile Block
Lock/Unlock, Non-Volatile Block Modify
Protection, Non-Volatile Password Modify
Protection and Irreversible Protection.
Read Protection.
section for a detailed
V
ry blocks from program and erase operations. Re-
fer to
detailed description of these signals.
The KRYPTO features (Modify Protection mode,
Read Protection mode and Device Authentication
mechanism) are not described in this Datasheet.
For further details concerning these additional pro-
tection modes please contact ST Sales Offices.
The devices also feature a 64 bit Unique Device
Identifier and a 128 bit user-programmable OTP
segment (see
ory Map
mand).
PP
V
SIGNAL DESCRIPTIONS
PPLK
and
. The V
Figure 6., Protection Register Mem-
Protection Register Program Com-
M28W320FSU, M28W640FSU
PP
pin protects all the memo-
section for a
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