R0E521000CPE00 User’s Manual
5. Troubleshooting
REJ10J0845-0600 Rev.6.00 Aug. 20, 2009
Page 85 of 92
5.2 When the Emulator Debugger Does Not Start Up Properly
5.2.1 When the LEDs of the Emulator Do Not Display Normally
Table 5.1 Errors LEDs show and their checkpoints
Error
Connection to
the user system
Checkpoint
LEDs do not light up.
-
Check that the power cable is connected.
See "2.5 Connecting a Power Supply" (page 30).
Target Status POWER LED does
not light up.
Connected Check
that
power is properly supplied to the user system and that
the user system is properly grounded.
Not connected
(1) Check that both the main and sub clocks of the emulator
debugger are not set to "EXT".
See the CLK command of the emulator debugger.
(2) Check that the oscillator circuit board is properly installed in
the emulator and is oscillating.
See "2.3.4 Selecting Clock Supply" (page 25).
Target Status CLOCK LED does
not light up.
Connected (1)
When the clock is supplied from an external oscillator, check
that the oscillator circuit in the user system is oscillating
properly.
(2)
Check that the switches in the emulator main unit are set
properly.
“2.3.2 Setting the Jumpers on the R0E521000EPBM0 Board”
(page 23).
Target Status RESET LED does
not go out.
Connected
Check that the reset pin of the user system is held high.
5.2.2 MCU Setting Dialog Box Does Not Appear at Emulator Debugger Startup
Table 5.2 Checkpoints of errors at emulator debugger startup
Error Checkpoint
Communication error occurred.
Data was not sent to the target.
Check that the USB cable is connected properly.
See "2.6 Connecting the Host Machine" (page 31).
Not compact emulator.
Check that an emulator other than the compact emulator (such as
PC4701, PC7501) is not connected.
