Renesas Emulation Probe for M32C/87 Group M30870T-EPB Manuel d'utilisateur télécharger pdf (Page 98)

M30870T-EPB User’s Manual 5. Troubleshooting

R20UT0209EJ0400 Rev.4.00 Page 98 of 106

Aug 16, 2012

(2) EMEM 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 all emulator debugger settings, interface cable settings and

switches on the rear of the PC7501 match.

See the user's manuals of PC7501 and emulator debugger.

User system cannot be properly built. (1) Download the proper firmware.

See "2.7 Downloading Firmware" (page 28).

(2) Recheck the connection between the PC7501 and this product.

See "2.4 Connecting the PC7501" (page 24).

M3T-PD308F version is not the same version as

the firmware in the target.

Download the proper firmware.

See "2.7 Downloading Firmware" (page 28).

Target MCU is in the reset state. (1) Check the reset pin of the user system is pulled up.

(2) Check the reset pin of the user system has changed from "L" to "H"

level.

Target MCU cannot be reset. (1) Check pin NMI* is held high.

(2) If in memory expansion mode or microprocessor mode, check pins

RDY* and HOLD* are held high.

(3) If the reset circuit of the user system has a watchdog timer, disable

the watchdog timer.

(4) Check that power is properly supplied to the user system and that the

user system is properly grounded.

(5) The program may be uncontrollable in areas where memory is not

allocated. Recheck the map setting.

Target is in "HOLD" state. (1) The MCU is either in stop mode or wait mode. Either reset the MCU

or cancel the mode with an interrupt.

See MCU specifications.

(2) The program may be uncontrollable in areas where memory is not

allocated. Recheck the map setting.

Target clock is stopped. (1) When the clock is supplied from an external oscillator, check that the

oscillator circuit in the user system is oscillating properly.

(2) Check the switches in the emulation probe are correctly set.

See "2.10.1 Setting Switches of Emulation Probe" (page 40).

Target MCU is not receiving power. Check that power is properly supplied to the user system and that the

user system is properly grounded.

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Renesas Emulation Probe for M32C/87 Group M30870T-EPB Manuel d'utilisateur Page 98