Overview

This page is for quick tips to help you with Flash Self-programming RL78 MCUs.  

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RL78 Flash Self Programming Considerations

In RL78 series MCUs,

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a special RAM area is allocated by flash self programming library.  This RAM area is called self-RAM.  User not aware of this, may see unexpected behaviors when using the RL78 series Flash Self-Programming Library to erase and program RL78 MCUs in field.  

The relevant application documentation for the RL78 series Flash Self-Programming Library includes descriptions of

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self-RAM.  For example, the section 9.4 "Defining the Internal RAM Area" in the RL78 Family Flash Self-Programming Library Type01 Package Ver.4.00 Release Note provides detailed information about

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self-RAM allocation and its usage.

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RL78 Family Flash Self-Programming Library Type01 Package Ver.4.00