Renesas Renasas Single-Chip Microcomputer SH7086 Technické informace stáhnout pdf (Strana 6)

Flash Development Toolkit

Method for Using the User Program Mode (SH7086 Application)

1.3 On-board Programming Mode

There are three on-board programming modes: boot mode, user program mode and user boot mode.

The user boot area can be written to and erased in only boot mode.

In boot mode, the user area and user boot area are once erased in their entirety.

After that, the user area or user boot area can be written to by issuing a command, but their contents

cannot be read out up until this state.

The programming modes may be used in various ways. For example, you might want to write to the user

boot area only and then rewrite the user area in user boot mode, or rewrite the user area only because

the user boot mode is unused.

In user boot mode, a boot operation of any desired interface can be realized by setting up the mode pins

differently than in user program mode.

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Renesas Renasas Single-Chip Microcomputer SH7086 Technické informace Strana 6