User's Manual

EK-RA4W1 5. User Circuits
R20UT4683EJ0100 Rev.0.90 Page 14 of 30
Apr.28.20
5.3 Emulator
An emulator (J-LINK

OB) is mounted on the board. With the settings as shipped, the switches shown in
Figure 5-2 are turned off and the emulator is in reset state. To use the emulator, make the corresponding
switch setting in Table 5-1.
The shape of the emulator connector (ECN1) is USB micro-B for the IDE. Connect the emulator connector to
the computer by a USB cable. If the power supply on the host side is on, the power is supplied to this product
at the same time as connection of the cable.
Note: The package does not include a USB cable.
Emulator reset
switch (ESW1)
OFF
ON
Figure 5-2 Emulator Reset Switch (ESW1)
Table 5-1 Setting of the Emulator Reset Switch (ESW1)
ESW1
Function
MCU
Channel 1
Not used.


Channel 2
Resets the emulator.
Off
The emulator is reset.
The emulator cannot be used.
On
The emulator can be used.