Renesas Single-Chip Microcomputer M306NKT3 - Manual (Page 58)

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3.8 Erasing Data from the FLASH ROM
1. Select [Device -> Erase FLASH blocks...] to display the ‘Erase Blocks’ dialog box.
2. Select the block(s) to be erased. (When the checkbox is ticked, the block is selected.)*
3. Click the ‘Erase’ button to start erasure.
4. When ‘Erase complete’ is displayed in the output window, erasure is completed.
Figure 3-26 Erase Blocks
*Note To erase all blocks, clicking the ‘Select All’ button will tick every available check box. To erase all non-
blank blocks, clicking the ‘Select Written’ button will tick every associated check box. Ticking the box
of a parent item will toggle the state of all child items. A greyed check-box indicates that only some of
the child items are ticked.