TMP86FS49BFG Datasheet, PDF (275/294 Pages) Toshiba Semiconductor – 8 Bit Microcontroller

TMP86FS49BFG
Flash memory security 0:
RPENA
program status
1:
The status from FFE0H 0:
BLANK
to FFFFH.
1:
Security program is disabled.
Security program is enabled.
All data is FFH in the area from FFE0H to FFFFH.
The value except FFH is included in the area from FFE0H to FFFFH.
Some operation commands are limited by the flash memory status code 1. If the security program is enabled, flash
memory writing mode command and RAM loader mode command can not be executed. Erase all flash memory
before executing these command.
RPENA
BLANK
Flash Memory
Writing Mode
0
0
0
1
1
0
1
1
m
Pass
×
×
RAM Loader
Mode
m
Pass
×
×
Flash memory
SUM
Output Mode
m
m
m
m
Product
ID Code Output
Mode
m
m
m
m
Flash Memory
Status Output
Mode
m
m
m
m
Flash Memory
Erasing Mode
Chip
Erase
Sec-
tor
Erase
m
Pass
m
×
Pass
×
Security pro-
gram Setting
Mode
×
Pass
×
Pass
Note: m: The command can be executed.
Pass: The command can be executed with a password.
×: The command can not be executed.
(After echoing the command back to the external controller, TMP86FS49BFG stops UART communication and enters
the halt condition.)
Page 259