Renesas M30290T2-CPE, Руководство пользователя

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M30290T2-CPE User’s Manual 5. Troubleshooting
REJ10J0494-0200 Rev.2.00 July 16, 2005 Page 80 of 86
(2) MCU Setting Dialog Box Does Not Appear at Debugger Startup
Table 5.2 Checkpoints of errors at debugger startup
Error Checkpoint
Communication error occurred.
Data was not sent to the target. Check that the USB cable is connected properly.
See "2.5 Connecting the Host Machine" (page 23).
Not compact emulator. Check that an emulator other than the compact emulator (such as
PC4701, PC7501) is not connected.
Target MCU is in the reset state. (1) Check that the reset pin of the user system is at “H” level.
(2) Check that the reset pin of the user system has changed from Low to
High level.
Target MCU cannot be reset. (1) Check that pin NMI* is held High.
(2) If the reset circuit of the user system has a watchdog timer, disable
the timer.
(3) Check that power is properly supplied to the user system and that
the user system is properly grounded.
Target is in "HOLD" state. The MCU is either in stop mode or wait mode. Either reset the MCU or
cancel the mode with an interrupt.
See MCU specifications.
Target clock is stopped. When the clock is supplied from an external oscillator, check that the
oscillator circuit in the user system is oscillating properly.
See "2.9.2 Selecting Clock Supply" (page 36).
Target MCU is not receiving power. Check that power is properly supplied to the user system and that the
user system is properly grounded.