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M306NKT3-RPD-E User’s Manual 5. Troubleshooting
REJ10J0326-0400 Rev.4.00 Sep. 01, 2006 Page 97 of 104
5.2 When the Emulator Debugger Does Not Start Up Properly
(1) When the LED Display of the PC4701 is Abnormal
Table 5.1 LED's abnormal display and its checkpoints
Error
Connection to
the user
system
Checkpoint
LEDs do not light up. -
Check that the power cable is connected to the PC4701.
See the PC4701 user's manual.
All LEDs remain lit. -
Check the connection between the PC4701 and this product.
See "2.4 Connecting the PC4701" (page 23).
The "POWER" LED of "STATUS
OF TARGET" does not light up.
Connected
Check that power (Vcc and GND) is properly supplied to the
user system.
Disconnected
(1) Check that both the main/sub clocks are not set to
“External” in the emulator debugger.
See the CLK command of the emulator debugger.
(2) Check the oscillator circuit board is mounted on this
product and it is oscillating properly.
See "2.9.3 Selecting Clock Supply" (page 41).
The "CLOCK" LED of "STATUS
OF TARGET" does not light up.
Connected
(1) When the clock supply is set to “External”, check that the
oscillation circuit on the user system is oscillating
correctly.
(2) Check the switches in the emulation pod are correctly set.
See “2.9.4 Switch settings” (page 45).
The "RESET" LED of "STATUS
OF TARGET" does not go out.
Connected
Check that the reset pin of the user system is at “H” level.