Renesas RA Family
FPB-RA4E1 v1 – User's Manual
R20UT4958EG0100 Rev 1.00
Page 17 of 23
Sep.07.21
Figure 12. Arduino Uno Connectors
5.4 Miscellaneous
5.4.1 User and Power LEDs
Three LEDs are provided on the FPB-RA4E1 board. The fourth LED (POWER) can also be fitted if desired.
A suitable part is Würth Elektronik 732-4971-1-ND.
Behaviour of the LEDs on the FPB-RA4E1 board is described in the following table.
Table 8. FPB-RA4E1 Board LED Functions
Designator
Colour Function
MCU Control Port
LED1
Green
User LED
P408
LED2
Green
User LED
P407
POWER
Green
Power on indicator (not fitted) +3.3 V
DEBUG/POWER
Yellow
Debug/power LED
SEGGER J-Link On-Board Debugger MCU
The User LEDs may be isolated from the main MCU so that the associated ports can be used for other
purposes. To disconnect LED1 from P408, trace cut jumper E10 must be open. To disconnect LED2 from
P407, trace cut jumper E9 must be open.
Figure 13. User LEDs
