R8C/3MK Group
USB-to-Serial Communication Conversion Demo Board
R0K5R8C3MDU30BR Instruction Manual
R01AN1051EJ0100 Rev.1.00
Page 18 of 38
Mar 21, 2012
2) Start up Terminal Software
(1) Enter the confirmed COM number in the terminal software. As this function enables serial communication,
you do not need to set the communication speed, data length, etc.
(2) Nothing can be displayed immediately after startup, so you will need to display the operating menu with the
M[CR] command.
If communications are running properly, the information in Figure 13 will be displayed on the screen.
Figure 13 Terminal Software Display using M[CR] Command
3) Erase flash ROM data on the MCU
(1) Enter E[CR] command to start the flash ROM erase.
The “Erase complete” display shown in Figure 14 indicates the erase has been completed.
Figure 14 Terminal Software Display when MCU Flash ROM Data Erase is Complete
4) Write program
(1) Enter W[CR] command to send the target Motorola S Format file from the Terminal software. When the
display shown in Figure 15 appears on screen, the Write process has been completed.
Figure 15 Terminal Software Display after Program Write Completion
5) Restart program
After the program has been rewritten, the following two methods can be used to restart the program.
1) Enter the G[CR] Command
2) Remove the USB cable and power up the demo board with TP1 left open.
.
The program writing will be failure if this demo board is unplugged from PC when the program
writing is executing. Please execute the program writing processing described in
“8.2 USB Downloader Function” again, if the program writing is failure."
Renesas USB Flash Sample
Press Command
M[CR] - Menu Display(these)
E [CR] - Erase Flash ROM
W[CR] - Write User Program
G[CR] - Go User Program
Erase Flash ROM start…
Erase complete
Please send a mot file
Write complete
