Renesas M301N2T-PRB Manual Do Utilizador

Página de 48
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