EM357-MOD-RF-T datasheet(24/43 Pages) SILABS

24 / 43 page

4-4

EM35x Development Kit User Guide

120-4030-000E

Figure 4-3. Breakout Board Power Supplied by USB

•

Breakout Board Power Supplied by DC Jumpers (Figure 4-4): The Breakout Board may also be

connected to jumpers J1 (+ supply) and J32 (ground). The power supply jumper on the Breakout Board

should be in the lower vertical position, connecting V_REG to the center pin. The VIN LED will

illuminate when power is applied. When powering the Breakout Board in this way, ensure the power

switch on the InSight Adapter is in the EXT (External) position.

Figure 4-4. Breakout Board Power Supplied by DC Jumpers

•

Breakout Board Power Supplied by Battery Connector (Figure 4-5): Finally, the Breakout Board may

also be powered via the battery connector, using the supplied battery packs and 2x AAA batteries. The

power supply jumper should be in the upper vertical position, connecting V_BATT to the center pin.

The V_BAT LED will illuminate when power is applied. When powering the Breakout Board in this way,

ensure the power switch on the InSight Adapter is in the EXT (External) position.

EM357-MOD-RF-T Datasheet(PDF) 24 Page - Silicon Laboratories