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5.3
DAC5687 Software
Software Operation
Figure 6. TRF3750 GUI - Advanced Menu
This menu allows control of more register settings. For details on these settings, see the TRF3750 data
sheet (
). The register of interest in this menu is the MUXOUT CONTROL which can be used to
determine the function of LED D4. This mode defaults to Digital PLL Lock Detect and causes the LED D4
to light up when the PLL successfully locks. Normally, these menu settings do not need to be changed.
By using the provided software, the user can write and read control register information to the DAC5687.
At first startup of this software, it is imperative to select the Pll Port Config button to bring up the parallel
port configuration settings. From the menu, select the TSW3000 setting. This configures the port to be
compatible with the TSW3000. Once the Demo Kit is powered on with the parallel port configured and
connected properly, then the GUI shown in
is displayed with the default settings read from the
device. If there is a problem with the communication, such as the Demo Kit is not powered on or the
parallel port cable is not connected, an error message will be displayed instructing the user to correct the
problem. Once corrected, hit the Read All button to read the default settings of the device.
SLWU013A – March 2004 – Revised September 2005
13
Содержание TSW3000
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