User`s manual

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3.1.1 System Status LEDs
The system status LEDs indicate the emulator PC7501's power supply, firmware operating status,
etc. Table 3.1 lists the definition of each system status LED.
Table 3.1 Definition of system status LEDs
Name ON/OFF Meaning
ON Emulator PC7501 power supply is turned on.
POWER
OFF Emulator PC7501 power supply is turned off.
ON The PC7501 system is operating normally.
Blinking
1. The self-check is under way.
2. Firmware downloaded is written into EEPROM.
3. If SAFE is lit when ERROR LED is lit or blinking, it means that the
self-check cannot be executed because of the target system operating error.
SAFE
OFF The PC7501 system is faulty (system status error).
ON The PC7501 system is faulty (system status error).
Blinking
1. Firmware is being downloaded.
2. If SAFE and ERROR LED are lit at a time or alternately, it means that the
self-check cannot be executed because of a target system operating error.
ERROR
OFF The PC7501 system is operating normally.
3.1.2 Target Status LEDs
The target status LEDs typically indicate the target MCU's power supply and operating status.
Table 3.2 lists the definition of each target status LED.
Table 3.2 Definition of target status LEDs
Name ON/OFF Meaning
ON Power is supplied to target board.
POWER
OFF Power is not supplied to target board.
ON Target MCU clock is oscillating.
CLOCK
OFF Target MCU clock is not oscillating.
ON Target MCU is reset.
RESET
OFF Target MCU is not reset.
ON Target program is being executed.
RUN
OFF Target program has been halted.
WARNING -
The display varies according to the emulation probe. For the LED display,
refer to the user's manual of each emulation probe.
The status of LEDs on the upper panel when the PC7501 emulator system has been started up
normally is shown in Figure 3.2 below. Check this when you actually start up the emulator system.
Figure 3.2 LED display when system has started up normally
L 2; G=>F 30/ 9C:F BCG @><=G+ 8=:8? G=: IC@G7<: C; G=: G7E<:G FKFG:A,
L .=:8? G=: J=C@: DCJ:E D>BF 7E: FHDD@>:9 DCJ:E,
L 6=:B G=: G7E<:G FKFG:A >F BCG 8CBB:8G:9+ G=>F 30/ 9C:F BCG @><=G,
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