R0E521000EPB00 User’s Manual
1. Outline
REJ10J0844-0400 Rev.4.00 October 16, 2007
Page 17 of 88
(2) Target Status LEDs
The target status LEDs indicate operating status of the target MCU and power supply of the user system. Table 1.4 lists the
definition of each target status LED.
Table 1.4 Definitions of the target status LEDs
Name Status
Meaning
ON
Power is supplied to the target MCU.
POWER
OFF
Power is not supplied to the target MCU.
ON
Target MCU clock is oscillating.
CLOCK
OFF
Target MCU clock is not oscillating.
ON
Target MCU is being reset, or reset signal of the user system is held low.
RESET
OFF
Target MCU is not being reset.
ON
User program is being executed.
RUN
OFF
User program has been halted.
ON
Address 00000h or 00001h is read out wrongly.
WARNING
OFF
Address 00000h or 00001h is not read out.
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