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7.4
Action for Error
The errors that may occur during self-testing (such as setting error) and relevant actions for coping with the errors
are listed below.
If an error other than below is displayed, the cause may be a defect in 78K0 MINICUBE. If the same error is
displayed even after the relevant action is implemented, the cause may be a defect in the 78K0 MINICUBE. In such a
case, consult an NEC Electronics sales representative or distributor.
No.
Error message and action
1
Communication error
There is no response from the target device.
→ Address 0x84 (on-chip debug emulator use enable flag) is set to 0x00 (disable use) or the self-check board
and MINICUBE are not connected correctly.
Confirm the file of the program written to the self-check board and connection between the self-check board
and MINICUBE.
2
Target Power : OFF
The power supply to the self-check board cannot be detected.
→ Confirm that LED1 on the self-check board glows.
→ Check the connection between the self-check board and MINICUBE
3
Target Clock: 0.00MHz [NG]
The clock mounted in the CLK1 socket may not be operating.
→ Confirm the clock oscillation, or remove the clock mounted in the CLK1 socket and use the internal clock.
4
Select Socket Clock
The clock mounted in the CLK1 socket is not selected.
→ Select "socket" for the clock setting, or remove the clock mounted in the CLK1 socket and select "internal".
5
Driver open error
(1) There is no response from the 78K0 MINICUBE.
→ Check the connections between the host machine and the USB cable, and the USB cable and the 78K0
MINICUBE.
→ Turn all the power supplies off according to the procedures described in the user's manual.
(The 78K0 MINICUBE is turned off by disconnecting the USB cable.)
Turn all the power supplies on, and then click the [Test] button.
If an error message is displayed even after taking these measures, restart Windows on the host machine
before turning all the power supplies on.
(2) The debugger has been started.
→ The debugger and the OCD Checker cannot be started simultaneously, so terminate the debugger.
(3) The USB driver may not be operating normally.
→ Confirm the cable connection and the USB driver setup. Re-install the USB driver as necessary.
(4) The debugger may not be installed normally.
→ Re-install the debugger.
6
Incorrect ID code
The input ID code is incorrect.
→ Confirm the ID code written to the target device and re-input the ID code.
42
CHAPTER 7 OCD CHECK FOR 78K0 MINICUBE
User's Manual U18591EJ2V0UM
(1/2)
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