Renesas RA4E1 User Manual

Renesas RA Family UM-RA4E1, v1 User's Manual
R12UZ0142EE0100 Rev.0.1 Page
17
of 22
Oct.15.23
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
Function
MCU Control Port
LED1
Blue
User LED
P908
LED1
Green
User LED
P907
LED1
Red
User LED
P906
LED2
Blue
Power on indicator
+3.3V
LED3
White
Power on indicator
+5V
LED4
Yellow
J-Link OB Status
J-Link OB MCU
The User LEDs may be isolated from the Main MCU, so the associated ports can be used for other
purposes.
Figure 12. Power and User LEDs
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
MCU Control Port
Button Color
S1
MCU Reset Switch
RESET#
Red
S2
User Switch
P007
Blue
S3
User Switch
P003
Blue
S2 + S3
And Gate
P005
S4
UART/SPI – IIC
DIP Switch
White x2
Figure 13: S2 + S3 User Switches
The User Switches S2 and S3 if pressed together can be used for interrupt operation

Renesas RA4E1 Specifications

General

Brand	Renesas
Model	RA4E1
Category	Microcontrollers
Language	English