Debug In; Figure 10. Ek-Ra4E2 Debug Interface; Table 6. Debug On-Board Jumper Configuration; Table 7. Debug In Mode Jumper Configuration - Renesas RA4 Series User Manual

Renesas RA Family
A yellow indicator, LED5, shows the visual status of the debug interface. When the EK-RA4E2 board is
powered on, and LED5 is blinking, it indicates that the RA4M2 debug MCU is not connected to a
programming host. When LED5 is on solid, it indicates that the RA4M2 debug MCU is connected to a
programming interface.
To configure the EK-RA4E2 board to use the Debug On-Board mode, configure the jumpers using the
following table.

Table 6. Debug On-Board Jumper Configuration

Location Default Open/Closed
J6 Closed
J8 Jumper on pins 1-2
J9 Open
J29 Jumpers on pins 1-2, 3-4, 5-6, 7-8

5.2.2 Debug In

®
One 20-pin Cortex Debug Connector at J20 supports JTAG and SWD debug. One 10-pin Cortex
Connector at J13 supports JTAG and SWD. Either of these connectors may be used for external debug of
the target RA MCU.
To configure the EK-RA4E2 board to use the Debug In mode, configure the jumpers using the following
table.

Table 7. Debug In Mode Jumper Configuration

Location Default Open/Closed
J6 Closed
J8 Jumper on pins 1-2
J9 Closed
J29 Jumpers on pins 1-2, 3-4, 5-6, 7-8
R20UT5175EG0300 Rev. 3.00
Feb.27.23
Function
Target RA MCU MD connected to debug
Target RA MCU RESET# connected to nRESET signal
RA4M2 debug MCU in normal operation mode
Target RA MCU debug signals connected to the debug
interface

Figure 10. EK-RA4E2 Debug Interface

Function
Target RA MCU MD connected to debug
Target RA MCU RESET# connected to nRESET signal
RA4M2 debug MCU is held in RESET
Target RA MCU debug signals connected to the debug
interface
EK-RA4E2 v1 – User's Manual
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Debug
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