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M301N2T-PRB User’s Manual 5. Troubleshooting
REJ10J0037-0100 Rev.1.00 Mar.16, 2005
Page 41 of 48
5.2 When the Emulator Debugger Does Not Start Up Properly
5.2.1 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 M30100T3-RPD-E" (page 22)
See the M30100T3-RPD-E user’s manual
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 in the
M30100T3-RPD-E and it is oscillating properly.
See the M30100
T3
-RPD-E user’s manual
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 M30100T3-RPD-E are correctly
set.
See “2.2 Switch settings” (page 20)
The "RESET" LED of "STATUS
OF TARGET" does not go out.
Connected
Check the reset pin of the user system is held high.