EVK-R5 - User guide

UBX-19042592 - R05

Starting up

Page 6 of 23

C1-Public

1.3 Switches, jumpers and buttons

Function

Description

Name

Board

Main power switch

Power on / off of the whole evaluation kit

SW400

EVB-WL3

Cellular VCC jumper

Jumper socket to provide the 3.8 V supply to the cellular module VCC input

J404

EVB-WL3

J109

ADP-R5

Cellular power on

Push button to switch on / off the cellular module

SW302

EVB-WL3

Cellular reset

Push button to reset the cellular module

SW303

EVB-WL3

Cellular UART detach

Slide switch to attach / detach the cellular module single UART from the

USB / RS232 connectors on EVB-WL3

SW401

EVB-WL3

Cellular UART routing

Slide switch to select cellular module single UART routing on the USB or

RS232 connector on EVB-WL3

SW403

EVB-WL3

Cellular GPIO detach

Slide switch to attach / detach the cellular module GPIOs from peripherals:

when detached, the signals are available only on the DIL B2B connector on the

ADP board

SW300

EVB-WL3

(GPIO2-3-4): when detached, the signals are available only on the DIL B2B

connector on the ADP board

SW304

EVB-WL3

GNSS V_BCKP

Slide switch to connect / disconnect backup battery to / from the V_BCKP pin

of the GNSS module

SW204

EVB-WL3

Table 1: EVK-R5 switch and button descriptions