E2/E2 Lite Notes on Usage
R20UT4582EJ0100 Rev.1.00 Page 27 of 30
Jul.16.19
Table 3.1 Access to MPU-Protected Areas
Protected Area Operation of the Emulator Debugger
Bus master MPU The protected area is not accessible.
Security MPU On-chip SRAM/peripheral I/O registers
• Reading: A dummy value (0x00) is read.
• Writing: Writing is ignored.
Flash memory
• Reading: A dummy value (0x00) is read.
• Writing: Writing is possible if data are downloaded and written.
3.4 MCUs that are Used in Debugging
After debugging with the E2/E2 Lite, if the MCU is disconnected from the emulator and run on its own,
correct operation cannot be guaranteed. To operate the MCU on its own, use the programming software to
re-program the MCU.
MCUs that are connected to the E2/E2 Lite and used in debugging are placed under stress by repeated
programming of flash memory during emulation. Do not use MCUs that were used in debugging in mass-
production for end users.
3.5 Final Evaluation of the User Program
Before entering the mass-production phase, be sure to perform a final evaluation of the program which has
been written to the flash ROM by the programming software, without the E2/E2 Lite connected.
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