UPD78F0411GA-GAM-AX Datasheet, PDF (525/564 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 24 FLASH MEMORY
The following figure illustrates a flow of rewriting the flash memory by using a self programming sample library.
Figure 24-12. Flow of Self Programming (Rewriting Flash Memory)
Start of self programming
FLMD0 pin
Low level → High level
FlashStart
Setting operating environment
FlashEnv
CheckFLMD
No
Normal completion?
Yes
FlashBlockBlankCheck
Erased?
No
Yes
FlashWordWrite
Normal completion?
No
Yes
FlashBlockVerify
No
Normal completion?
Yes
FlashEnd
FLMD0 pin
High level → Low level
End of self programming
FlashBlockErase
Normal completion?
Yes
No
User’s Manual U18698EJ1V0UD
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