USB Interface Board and I
2
C-Compatible Interface Program
The “I
2
C Interface” fields may be used to write or read any LM3643 register. Selecting the "Set Default
Settings" button resets all registers to their default values and updates all GUI fields.
Figure 13. I
2
C interface Fields
5.1
User Interface
the LM3643 GUI provides the user with access to all of the registers found on the device. Through a
combination of buttons, drop-down boxes and sliders, the user can configure the LM3643 to perform in the
desired mode. Please note that no data is written to the device until the Write button found within the
corresponding register is pressed.
Figure 14. Write Buttons
13
SNVU399 – August 2014
LM3643EVM User's Guide
Copyright © 2014, Texas Instruments Incorporated
