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Name
POWER
CLOCK
RESET
RUN
WARNING
Status
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Meaning
Power is supplied to the target system.
Power is not supplied to the target system.
Target MCU clock is oscillating.
Target MCU clock is not oscillating.
Target MCU is being reset.
Target MCU is not being reset.
User program is being executed.
User program has been halted.
Address 00000h has been read out.
Address 00000h has not been read out.
Status
ON
OFF
ON
Flashing
Meaning
PC7501 system is turned ON.
PC7501 system is turned OFF.
PC7501 system is operating normally.
1.The self-check is being executed.
2.Downloaded firmware is being written into memory.
3.If the ERROR LED is flashing or turned on at the same time, the self-
check cannot be executed because of malfunction of the target
system.
PC7501 system is not operating normally (system status error).
PC7501 system is not operating normally (system status error).
1.Firmware is being downloaded.
2.If the SAFE LED is flashing at the same time or alternately, the self-
check cannot be executed because of malfunction of the target
system.
PC7501 system is operating normally.
Name
POWER
SAFE
(2) Target Status LEDs
The target status LEDs indicate operating status of the target MCU and power supply of the target
system. Table 2.4 lists the definition of each target status LED.
Table 2.4 Definition of the target status LEDs
(1) System Status LEDs
The system status LEDs indicate the emulator PC7501's power supply, firmware operating status,
etc. Table 2.3 lists the definition of each system status LED.
Table 2.3 Definition of the system status LEDs
OFF
ON
Flashing
ERROR
OFF