Renesas RL78/G1P Hardware User Manual page 705

RL78/G1P
Table 23-11. Relationship Between Enabling Security Function and Command
(1) During on-board/off-board programming
Valid Security
Prohibition of block erase
Prohibition of writing
Note Confirm that no data has been written to the write area. Because data cannot be erased after block erase is
prohibited, do not write data if the data has not been erased.
(2) During self-programming
Valid Security
Prohibition of block erase
Prohibition of writing
Remark To prohibit writing and erasing during self-programming, use the flash sealed window function (see 23.7.1 for
detail).
(1) On-board/off-board programming
Security
Prohibition of block erase
Prohibition of writing
Caution The security release command can be applied only when the security is not set as the block erase
prohibition with code flash memory area and data flash memory area being blanks.
R01UH0895EJ0100 Rev.1.00
Nov 29, 2019
Blocks cannot be erased.
Blocks can be erased.
Blocks can be erased.
Table 23-12. Setting Security in Each Programming Mode
Security Setting
Set via GUI of dedicated flash memory
programmer, etc.
Executed Command
Block Erase
Executed Command
Block Erase
Can be performed.
Cannot be disabled after set.
Execute security release command
CHAPTER 23 FLASH MEMORY
Write
Can be performed. Note
Cannot be performed.
Write
How to Disable Security Setting
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