Switches - Switches - UG1614

XRF4 RF Accessory Kit User Guide (UG1614)
Document ID
UG1614
Release Date
2025-12-02
Revision
1.3 English

The following table lists the default switch settings.

Table 1. XRF4-RFBB Switch Component Locations
Callout Ref. Des. Function Default Schematic Page
2 SW1

EEPROM Write Protect = SW1[1]

EEPROM Read Only = ON = 1

EEPROM Read/Write = OFF = 0

 0 14
2 SW1

Boot Mode = SW1[5:2]

OFF = 1 = High; ON = 0 = Low

SD = OFF,OFF,OFF,ON = 1110

JTAG = ON, ON, ON, ON = 0000

QSPI24 = ON,ON,ON,OFF=0001

QSPI32 = ON,ON,OFF,ON=0010

1110 14
13 SW1dc

XRF4 DC Power Switch

OFF: XRF4 DC Power is off

ON: XRF4 DC Power is on

 OFF 13
14 SW1xp

North Side DC Fan Switch

OFF: DC Fan power is off

ON: DC Fan power is on

 OFF 17
16 SW2xp

South Side DC Fan Switch

OFF: DC Fan power is off

ON: DC Fan power is on

 OFF 17