Leds; Switches; Figure 12. Power And User Leds; Figure 13: S2 + S3 User Switches - Renesas RA4E1 User Manual

Renesas RA Family

5.2.12 LEDs

There are 5 LEDs provided on the AIK-RA4E1. In addition, the Ethernet connector has built-in link status and
link speed LEDs.
The behavior of the LEDs on the AIK-RA4E1 is described in the following table.

Table 8. AIK-RA4E1 LED Functions

Designator Color
LED1 Blue
LED1 Green
LED1 Red
LED2 Blue
LED3 White
LED4 Yellow
The User LEDs may be isolated from the Main MCU, so the associated ports can be used for other
purposes.

5.2.13 Switches

Three miniature, momentary, mechanical push-button type SMT switches are mounted on AIK-RA4E1.
Pressing the Reset switch (S1) generates a reset signal to restart the Main MCU.

Table 9. AIK-RA4E1 Switches

Designator Function
S1 MCU Reset Switch
S2 User Switch
S3 User Switch
S2 + S3 And Gate
UART/SPI – IIC
S4
DIP Switch
The User Switches S2 and S3 if pressed together can be used for interrupt operation
R12UZ0142EE0100 Rev.0.1
Oct.15.23
Function
User LED
User LED
User LED
Power on indicator
Power on indicator
J-Link OB Status

Figure 12. Power and User LEDs

MCU Control Port
RESET#
P007
P003
P005

Figure 13: S2 + S3 User Switches

UM-RA4E1, v1 User's Manual
MCU Control Port
P908
P907
P906
+3.3V
+5V
J-Link OB MCU
Button Color
Red
Blue
Blue
White x2
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