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6.2 When the Emulator Debugger Does Not Start Up Properly
(1) When the LEDs of the PC7501 Shows an Error
Table 6.1 Errors LEDs show and their checkpoints
Error
Connection to
the target system
Checkpoint
LEDs do not light up.
All LEDs remain lit.
Target Status POWER
LED does not light up.
Target Status CLOCK
LED does not light up.
Target Status RESET
LED does not go out.
-
-
Connected
Not connected
Connected
Connected
Check that the power cable is connected to the
PC7501.
See the user's manual of the PC7501.
Check that the connection between the PC7501
and this product.
See "3.5 Connecting the PC7501" (page 33).
Check that power is properly supplied to the target
system and that the target system is properly
grounded.
(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 "3.1 Selecting Clock Supply" (page 26).
Check that the oscillator circuit in the target system
is oscillating properly.
Check that the reset pin of the target system is
pulled up.