Renesas Single-Chip Microcomputer M38C89T-ADF Uživatelský manuál stáhnout pdf (Strana 30)

M38000T2-CPE User’s Manual 2. Setup

R20UT0213EJ0600 Rev.6.00 Page 30 of 82

Oct. 20, 2010

2.7 Upgrading Firmware

2.7.1 When It is Necessary to Upgrade Firmware

It is necessary to upgrade the firmware in the cases listed below.

• When the firmware has been upgraded

• When the 740 Compact Emulator Debugger has been upgraded

If downloading firmware is not completed in the cases below, redownload the firmware.

- When the power is unexpectedly shut down during a download from 740 Compact Emulator Debugger

- When a communications interface cable is unexpectedly pulled out

2.7.2 Downloading Firmware in Maintenance Mode

Download firmware in the special mode called maintenance mode as explained here following.

(1) Connect the USB interface cable to the compact emulator and host machine.

(2) Within 2 seconds of activating power to the compact emulator, press the system reset switch on it to start maintenance

mode. When the emulator is switched to maintenance mode, the System Status SAFE LED on the emulator front panel

begins to flash.

(3) Start up the 740 Compact Emulator Debugger. When settings in the Init dialog box are 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.

IMPORTANT

Notes on the Firmware:

• 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.

• When returned to you after repair, etc., your compact emulator will have the latest version of firmware

downloaded in it. If a message “Target Missing or Connection Controlled” is displayed, it means that the

firmware in the emulator debugger you are using is not the latest version. So be sure to upgrade its version.

The latest emulator debugger can be downloaded from the URL below.

http://www.renesas.com/download

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Renesas Single-Chip Microcomputer M38C89T-ADF Uživatelský manuál Strana 30