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3.2 Main Program Screen
The screen shown in Figure 3−1 appears on your monitor.
Figure 3−1. Main Program Screen
Crystal or Clock
Frequency
Computer Printer Port
LPT1 or LPT2
NOTE: When word bits are displayed in RED, the Send Words Now (F12) button on the main program screen must be pressed
for changes to be updated.
The main program screen is divided into seven main sections as follows:
3.2.1
Synthesizer
This section is used to set the crystal/clock (CLK) frequency, the Desired Freq.,
and the PreScaler value of the divide-by-N of the PLL. From these inputs, the
actual frequency and bit values of Words A and B are calculated.
Transmit Frequency
Press to Program the TRF4900
Software User's Guide
Main Program Screen
Double Click Here With the
Left Mouse Button to Obtain
Chip Layout Screen
3-3
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