3
TRF2443 EVM Operating Procedures
3.1
Power Up
TRF2443 EVM Operating Procedures
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This section will outline step by step the procedures necessary to test the following functions of the
TRF2443:
a. Initial ICC
i.
Apply 3.3V DC between J1 and J2 connections on board.
ii.
Approximately 760mA should be drawn from the power supply.
b. Programmed ICC
i.
Apply reference clock either externally or using on board oscillator (see section Reference Clock)
ii.
Apply USB connection between computer with loaded GUI and USB port J5 on the EVM and press
the Reset USB button in the upper left corner of the GUI.
iii. Change the GUI inputs as shown in
Figure 20
.
Figure 20. Programmed ICC GUI Settings
empty para to keep v. from separating
iv. Load all registers by pressing the OFF button below Load All in the bottom right corner of the GUI
to load all registers to the device (see
Figure 21
).
Figure 21. Load All Registers
v.
Toggle the T/Rx Cal Enable button to lock the synthesizers.
vi. Approximately 1070mA of current should be drawn from the power supply with this device
configuration.
List of Tables
16
SLWU065 – September 2009
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