tmp88fw45afg TOSHIBA Semiconductor CORPORATION, tmp88fw45afg Datasheet - Page 275
tmp88fw45afg
Manufacturer Part Number
tmp88fw45afg
Description
8 Bit Microcontroller Tlcs-870/x Series
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TMP88FW45AFG.pdf
(294 pages)
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21.13
Erasure Area Specification Data (n−2 byte data)
specified by ERAREA.
ERAREA. At the same time, the security program for flash memory is also disabled.
Executing the sector erase while the security program is enabled results in an infinite loop.
Note 1: When the sector erase is executed for the area containing no flash cell, TMP88FW45AFG stops the UART communi cation
Note 2: Executing the sector erase while the security program is enabled results in an infinite loop.
In the flash memory erasing mode, the erasure area of the flash memory is specified by n−2 byte data.
The address of an erasure area is specified by ERAREA.
The sector erase (flash memory erasing every 4K bytes) is performed if the address data from "00H" to "1DH" is
The chip erase (all flash memory erasing) is performed if the address data from "C0H" to "FFH" is specified by
Therefore, make sure to execute the chip erase (not sector erase) to disable the security program for flash memory.
0xFFFFF
0x21EFF
0xFFF00
Specifying the Erasure Area
0 04FFF
0 05FFF
0 20FFF
0 04000
0 05000
0 20000
0 21000
and enters the halt condition.
7
ERAREA
Sector 29
Sector 28
Sector 29
Sector 0
Sector 1
6
Select the erase area
5
4
Sector 0 is erased only on
ERAREA = "00H".
Sector 1 is erased only on
ERAREA = "01H".
Sector 28 is erased only on
ERAREA = "1CH".
Sector 29 is erased only on
ERAREA = "1DH".
ERASTA
00H: Sector 0 erase
01H: Sector 1 erase
02H: Sector 2 erase
03H: Sector 3 erase
04H: Sector 4 erase
05H: Sector 5 erase
06H: Sector 6 erase
07H: Sector 7 erase
:
:
1DH: Sector 29 erase
C0H: Chip erase
:
:
FFH: Chip erase
Page 261
3
2
1
All memory (All sector) are erased on
ERAREA = "C0H" to "FFH".
0
TMP88FW45AFG
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