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E30A Emulator User's Manual
3.5 Setting the Emulator Debugger Operating Environment
When a communication path between the E30A Emulator and target MCU is established, the Emem dialog box shown below
is displayed. Set each tab described below and click "OK".
3.5.1 Internal Flash Memory Overwrite Tab
This tab permits you to specify whether or not to overwrite each block of the internal flash ROM in the MCU.
(1) Flash ROM Block
If you want to keep the data when you download a user program or data table, check the blocks of contents you want to keep
intact. The address list is expressed in units of internal flash ROM blocks of the MCU. The selected blocks, those flagged by
a check mark, require extra time because their contents need to be read out before being programmed. Therefore, we
recommend leaving blocks unselected.
- When you select the check box for any block, the content of that block is read out into the host machine and the data to be
downloaded is written over it inside the PC before the block is erased and programmed.
- When you deselect the check box for any block, the data to be downloaded is written to the block after being erased.
- Click the Select All button, and all blocks will be selected.
- Click the Clear All button, and all blocks will be deselected.
(2) E2 Data Flash is not erased on download
If you want to keep the data in the E2 data flash when you download a user program or data table, select this check box.
- When you select the check box, the data in the E2 data flash is read out into the host machine and the data to be
downloaded is written over it inside the PC before the block is erased and programmed.
- When you deselect the check box, the data to be downloaded is written to the block after being erased.
- When E2 data flash is not embedded in the MCU, this setting is invalid.
R20UT0422EJ0501 Rev.5.01
Mar 15, 2016
3. Starting Up the Emulator Debugger
Page 40 of 65
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