2
XRA1403/1405 EVALUATION BOARD USER’S MANUAL
REV. 1.0.0
2.2
Jumper Settings
2.2.1
Common Jumpers
The following jumpers apply to all the 4 packages of XRA1403 and XRA1405:
T
ABLE
3: C
OMMON
J
UMPER
S
ETTINGS
J
UMPERS
F
UNCTIONS
C
OMMENTS
J8
Selects the supply voltage to generate
the +1.8V power supply for the board
1&2 s5V (default, Pin 1 -- Test point for ex5V)
2&3 sP
N
OTE
:
Not installed. Trace between 1 & 2
J9
Selects the supply voltage to generate
the +2.5V power supply for the board
1&2 s5V (default)
2&3 sP
N
OTE
:
Not installed. Trace between 1 & 2
J13
Selects the supply voltage to generate
the +3.3V power supply for the board
1&2 s5V (default)
2&3 sP
N
OTE
:
Not installed. Trace between 1 & 2
J10
Selects the supply voltage for +VDDP
Used only for the XRA1405
Jumper in 1&2 s3.3V
Jumper in 3&4 s2.5V
Jumper in 5&6 s1.8V
J11
Selects the supply voltage for +VDD
Jumper in 1&2 s3.3V (default)
Jumper in 3&4 s2.5V
Jumper in 5&6 s1.8V
J12
Not used for XRA140x
Installed but not used
J14
Not used for XRA140x
Installed but not used
J6
Not used
Installed but not used
J27
LEDs
N
OTE
:
Not installed. Pin 2 is connected to GND
J3
Header for testing GPIO[15:8] of both
TSSOP and QFN package
Installed. Connect to external input/output.
J4
Header for testing GPIO[7:0] of both
TSSOP and QFN package
Installed. Connect to external input/output. Remove jumpers on
J28, J29, J30 and J31 after test.
J2
Header for internal test
Not installed
J5
Header for XRA1403 and XRA1405 sig-
nals and spare signals
Installed. Connect SPI signals from this header to MCU.
J7
Header for UART signals and spare sig-
nals
Not installed. Some GPIO signals and spare signals are accessi-
ble at this header
