CHAPTER 26 FLASH MEMORY
User’s Manual U16896EJ2V0UD
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(1) Security setting with PG-FP4 (security flag settings)
When disabling the read command (Disable Read), to raise the security level, it is recommended to also
disable the block erase command (Disable Block Erase) and program command (Disable Program).
Furthermore, similar to the mask ROM products, when program rewriting is not necessary, additionally disable
the chip erase command (Disable Chip Erase).
Notes 1.
Set “Supply voltage”, “Program download/upload”, and “Command options” in broken lines in
accordance with the use conditions.
2.
To disable rewriting the boot area (Boot block cluster setting), select “Disable Boot block cluster
reprogramming” in “Security flag settings” and select the last block of the boot area for which rewriting
is to be disabled.
Note 1
Note 2
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