Table 1.2 Functional Description (User Information Area); Table 1.3 Functional Description (Data Flash) - Toshiba TXZ Reference Manual

Flash memory
classification
Programming and
Erasing
Program/erase
User information
protection
area (Code
Flash)
4KB
Security
Execute Instruction
Flash memory
classification
Programming and
Erasing
Program/erase
Data Flash
protection
32KB
Security
Execute Instruction
program/erase to
other Flash area
2018-06-05

Table 1.2 Functional description (user information area)

Function
Function
Automatic
Programming
Automatic page
erasing
Protection
Security
-

Table 1.3 Functional description (data flash)

Function
Function
Automatic
Programming
Automatic area erasing
Automatic block erasing
Automatic page erasing
Protection
Security
Execute Instruction
program/erase to code
Flash area
Functional Description
Data programming is performed
at 4 words (16 bytes).
Erasing all the User information
area is performed automatically.
Programming and erasing can
be prohibited per block.
Prohibition of read-out of the
flash memory by a flash writer
and the usage restrictions of a
debugging function
carried out.
-
Functional Description
Data programming is performed
at 1 words (4 bytes).
Erasing in an area unit is
performed automatically.
Erasing in a block unit is
performed automatically.
Erasing in a page unit is
performed automatically.
Programming and erasing can
be prohibited per block.
Prohibition of read-out of the
flash memory by a flash writer
and the usage restrictions of a
debugging function can be
carried out.
Instructions can be executed.
Basic operation to a code flash
can be performed.
13 / 120
TXZ Family
Flash Memory
Comments
It is the same as
the same address
of a code flash.
It is controlled by
the operation on
the code flash
can be side.
Execution of
instruction cannot
be performed.
Comments
It becomes
effective
simultaneously by
the operation on
the code flash
side.
No prefetch buffer
Dual mode
Rev. 2.0