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4.2 Downloading Firmware
4.2.1 When It is Necessary to Download Firmware
It is necessary to download the firmware in the cases listed below. Normally, the following are
automatically detected when the emulator debugger is started up, and the firmware is downloaded.
When you use this product for the first time or when the power is unexpectedly shut down,
redownload the firmware in maintenance mode.
4.2.2 Downloading Firmware in Maintenance Mode
Download firmware in the special mode called maintenance mode as explained here following.
Figure 4.2 shows LED displays when downloading firmware.
The target system must not be connected when you download the firmware.
Figure 4.2 LEDs during firmware download
Note on Downloading Firmware:
• When you use this product for the first time
• When the emulator debugger or firmware has been upgraded
• When you use this product with a PC7501 which was used with another emulation probe before
(1) Set the interface select switch on the rear panel of the PC7501 to the LPT side and connect
the LPT parallel interface cable to the PC7501 and the host machine.
(2) Within 2 seconds of activating power to the emulator, press the system reset switch on the
PC7501 front panel to start maintenance mode. When the emulator is switched to maintenance
mode, the System Status SAFE LED begins to flash.
(3) Start up the emulator debugger. When settings in the Init dialog box is complete, the dialog
which urges to download the firmware will appear. Download firmware following messages.
Required time for downloading the firmware is about 60 seconds.
POWER
POWER
SAFE
CLOCK
ERROR
RESET
RUN
WARNING
SYSTEM
TARGET
STATUS
STATUS
POWER
POWER
SAFE
CLOCK
ERROR
RESET
RUN
WARNING
SYSTEM
TARGET
STATUS
STATUS
• Do not shut OFF power while firmware is being downloaded. Doing so, the emulator
will not start up properly. If power is shut off by mistake, redownload the firmware
in maintenance mode.
POWER
POWER
SAFE
CLOCK
ERROR
RESET
RUN
WARNING
SYSTEM
TARGET
STATUS
STATUS
Maintenance mode started
POWER
POWER
SAFE
CLOCK
ERROR
RESET
RUN
WARNING
SYSTEM
TARGET
STATUS
STATUS
Download complete
IMPORTANT
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POWER
POWER
SAFE
CLOCK
ERROR
RESET
RUN
WARNING
SYSTEM
TARGET
STATUS
STATUS
Downloading firmware
: ON
: OFF
: Flashing
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