3 downloading firmware, 1 when it is necessary to download firmware, 2 downloading firmware in maintenance mode – Renesas Pod probe for M16C/1N Group M301N2T-PRB User Manual

Page 30: Important

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M301N2T-PRB User’s Manual

3. Usage

REJ10J0037-0100 Rev.1.00 Mar.16, 2005

Page 28 of 48


3.3 Downloading Firmware

3.3.1 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.

(1) When you use this product for the first time
(2) When the emulator debugger or firmware has been upgraded
(3) When you use this product with a PC4701 which was used with another emulation probe before

If you use this product for the first time or have accidentally failed to download the firmware, redownload the firmware in
maintenance mode.

3.3.2 Downloading Firmware in Maintenance Mode
Download the firmware in maintenance mode as explained here following. The user system must not be connected when

downloading the firmware.
Figure 3.2 shows LED display during firmware download.

(1) Within 2 seconds of activating power to the emulator, press the system reset switch on the emulator front panel to switch

the emulator to maintenance mode. Then the system status SAFE LED will start blinking.

(2) 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 depends
on the connection of the interface.

- USB and LPT interface:

about 20 seconds

- Dedicated parallel interface

about 30 seconds

- Serial interface

about 5 minutes

Figure 3.2 Downloading firmware in maintenance mode

IMPORTANT

Note on Downloading Firmware:

Do not shut OFF power while the 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 maintenance mode started

POWER

SAFE

ERROR

STATUS OF

SYSTEM

RESET

POWER

CLOCK

RESET

RUN

HA LT

POWER

SAFE

ERROR

S TA TUS OF

SYS TEM

RESET

POWER

CLOCK

RESET

RUN

HA L T

POWER

SAFE

ERROR

STATUS OF

SYSTEM

RESET

POWER

CLOCK

RESET

RUN

HA LT

POWER

SAFE

ERROR

STA TUS OF

SYSTEM

RESET

POWER

CLOCK

RESET

RUN

HAL T

SAFE LED lights

: Blinking

: On
: Off

POWER

SAFE

ERROR

STATUS OF

SYSTEM

RESET

POWER

CLOCK

RESE T

RUN

HAL T

Immediately after turning on the power

POWER

SAFE

ERROR

STATUS OF

SYSTEM

RESET

POWER

CLOCK

RESE T

RUN

HAL T

All the LEDs light

ERROR LED lights

When downloading firmware started

SAFE LED blinks

All the LEDs light

When download complete

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