Texas Instruments AWR1243, User Manual

Page: 16 / 27

Hardware
www.ti.com
16 SWRU507 – May 2017
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
AWR1443BOOST, AWR1243BOOST (BoosterPack™)
2.7 Jumpers, Switches, and LEDs
2.7.1 Sense On Power Jumpers
The AWR1443 and AWR1243 devices can be set to operate in three different modes, based on the state
of the SOP (sense on power) lines (see
Figure 13 ). These lines are only sensed during boot up of the
AWR device. The state of the device is described by Table 4 .
A closed jumper refers to a 1 and an open jumper refers to a 0 state of the SOP signal going to the AWR
device.
Table 4. SOP Modes
Reference Use Comments
P3 (SOP 2)
SOP[2:0]
101 (SOP mode 5) = Flash programming
001 (SOP mode 4) = Functional mode
011 (SOP mode 2) = Dev mode
P2 (SOP 1)
P4 (SOP 0)
Figure 13. SOP Jumpers
2.7.2 Current Measurement
The P5 jumper enables measurement of the current being consumed by the reference design (AWR
PMIC + LDOs) at the 5-V level.
To measure the current, R118 must be removed and a series ammeter can be put across the P5 pins (see
Figure 14 ).
Figure 14. Current Measurement Point