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Electronic Component Distributor. Source::Texas Instruments
P.N:LM98640CVAL Desc:EVAL BOARD FOR LM98640
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7.7 AFEval Data Display
When used in conjunction with the Wavevision 5 Data Capture Board, the AFEval software is able to capture and display
the LVDS data output from the LM98640QML.
To open the display window choose the “Tools” item on the main window’s menu bar. Select the “Data Capture…” item.
The display should appear similar to the window below.
The Data Acquisition depth can be adjusted from 8k samples to 30k samples.
To collect the AFE’s output data from the actual ADC conversions, depress the “Normal AFE Output” button. Subsequent
data captures will be the AFE output.
To test the data path itself, several LM98640QML Test Patterns can be chosen. Refer to the datasheet for more
information on the available test patterns and how to properly configure the selected pattern.
To Zoom In on the waveform:
1. Depress the left mouse button (keeping it down) and drag the mouse to select the desired window width.
2. Lift the left mouse button when you have reached the end of the desired zoom window.
To Zoom Out on the waveform:
1. Simply right click over the waveform and select the menu item “Un Zoom” or Undo All Zoom/Pan”.
To Pan on the waveform:
1. While depressing the Ctrl key, depress the left mouse button (keeping it down) and drag the mouse to move the
waveforms position in the window.
2. Lift the left mouse button when you have reached the desired position.
To Un-Pan on the waveform:
Simply right click over the waveform and select the menu item “Un Pan” or Undo All Zoom/Pan”.
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