M30870T-EPB User’s Manual 1. Outline
REJ10J0482-0300 Rev.3.00 February 16, 2006
(2) Target Status LEDs
The target status LEDs indicate the target MCU's operating status and target board's power supply. 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. RESET
OFF Target MCU is not being reset.
ON User program is being executed. RUN
OFF User program has been halted.
ON Target MCU internal clock is not oscillating. WARNING
OFF Target MCU internal clock is oscillating.
CAUTION
Caution for Target Status POWER LED:
If your MCU has two or more power supply terminals (VCC), you need to supply power to all the terminals.
Page 16 of 104