PC4701U Renesas Electronics America, PC4701U Datasheet - Page 39

• Manufacturer Part Number: PC4701U
• Description: EMULATOR BASE UNIT
• Manufacturer: Renesas Electronics America
• Type: Microcontrollerr

Specifications of PC4701U

• Contents: PC4701U Emulator, Cables, User Manual and CD-ROM
• For Use With/related Products: M16C Family, 7700 Family, 740 Family
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

4.3 Downloading Firmware
4.3.1 When It is Necessary to Download Firmware
It is necessary to download firmware when:
(1) you have set up the emulator PC4701U for the first time.
(2) you have upgraded the firmware.
(3) you have upgraded your emulator debugger.
(4) you have changed your emulator debugger.
(5) you have changed your emulation probe.
If downloading the firmware is not completed in the cases below, redownload the firmware as
described in 4.4.2.
• When the power is unexpectedly shut down during a download from the emulator debugger
• When a communications interface cable is unexpectedly pulled out
4.3.2 Downloading the Firmware in Maintenance Mode
Download the firmware in maintenance mode as explained here following. The target system must
not be connected when downloading the firmware.
Set the interface selection switch on the rear panel to "LPT".
Connect the LPT parallel interface cable to the emulator PC4701U and the host machine.
Within 2 seconds of activating power to the emulator PC4701U, press the RESET switch
on the front panel.
Switched to maintenance mode, the SAFE SYSTEM STATUS LED begins to flash.
Start up the emulator debugger.
When the Init dialog box setup is complete, the dialog which urges to download the
firmware will appear. Download the firmware following messages. Required time for
downloading the firmware is about 30 seconds.
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