Renesas RA Family EK-RA4M3 – Quick Start Guide
R20QS0019EG0100 Rev.1.00 Page 22 of 26
Nov.17.20
5.4 Setting Up Debug Connection between the EK-RA4M3 board and Host PC
To program the modified Quick Start example project on to the EK-RA4M3 board, a debug connection is
necessary between the EK-RA4M3 board and host PC.
1. Disconnect the USB cable from micro-AB USB Full Speed port (J11) and connect it to micro-B USB
debug port (J10) of the EK-RA4M3 board.
Note: The EK-RA4M3 board supports 3 debugging modes. In this section and the following sections, default
debugging mode, Debug On-Board, is used. More information on debugging modes is available in
EK-RA4M3 user’s manual.
Figure 23. Connecting the EK-RA4M3 Board to the Host PC via USB Debug Port
2. Verify that the debug LED (LED5) stops blinking and lights up orange indicating that the J-Link drivers
are detected by the EK-RA4M3 board.
Note: The debug LED (LED5) continues to blink when J-Link drivers are not detected by the EK-RA4M3
board. In that case, make sure that the EK-RA4M3 board is connected to the host PC through the
micro-B USB debug port (J10) and that J-Link drivers are installed on the host PC by checking in the
Windows Device Manager (expand Universal Serial Bus controller, and locate J-Link driver).
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