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16
SBAU284 – January 2017
Copyright © 2017, Texas Instruments Incorporated
Appendix A
SBAU284 – January 2017
A.1
Jumper, Header, and Button Descriptions
lists the EVM jumpers and buttons, as well as the default settings for the jumpers. If there are
issues, use
to reset the EVM in the default configuration.
Table 8. Jumper and Button Descriptions and Default Settings
Jumper
Description
Default Setting
JP7
Rx Global Power-Down
Short 2 – 3
Short 1 – 2: Force as logic HIGH (power
down)
Short 2 – 3: Force as logic LOW (normal
operation)
NOTE:
Open is not
a valid state
for this
jumper.
JP3
SPI Select, CPLD
Short 2 – 3
Short 1 – 2: Reserved. Do not use this
state.
Short 2 – 3: Default state
NOTE:
Open is not
a valid state
for this
jumper.
JP2
VCXO Power
Short
Short: Supplies 3.3 V to Y1 VCXO
Open: Disconnects power from Y1 VCXO
TRIGAB
External trigger for Burst Mode, channels
A and B
Open
Pin 1: Trigger signal, 1.8-V logic
Pin 2: Ground
Open: Trigger function not used
TRIGCD
External trigger input for Burst Mode,
channels C and D
Open
Pin 1: Trigger signal, 1.8-V logic
Pin 2: Ground
Open: Trigger function not used
TRDYAB
Trigger Ready output for Burst Mode,
channel A and B
Open
Pin 1: Trigger ready signal, 1.8-V logic
Pin 2: Ground