Notes on Use of RAM Emulation Function
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Notes on Applying, Releasing, and Shutting Off the Programming Voltage (VPP)
Care is necessary to avoid errors in programming and erasing when applying, releasing, and
shutting off VPP, just as in the on-board programming modes. In particular, even if the
emulation function is being used, make sure that the watchdog timer is set when the P or E bit
of the flash memory control register (FLMCR) has been set, to prevent errors in programming
and erasing due to program runaway while VPP is applied.
For details see section 19.7, Flash Memory Programming and Erasing Precautions (5).
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