Software Control
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1
Software Control
1.1
Installation Instructions
•
Open folder named: ADS58C28_ADS42xx_Installer_vxpx (where xpx represents the latest version).
•
Double-click: setup.exe
•
Follow on-screen instructions to complete GUI installation
–
Wait for “ADS58C28/ADS42xx_ Installer” initializing screen to complete
–
Click “Next” to install files in the default destination directory
–
Select “I accept the License Agreement” and click “Next”
–
Select “Next” on the summary page
–
Wait for files to load and then click “Next”
–
Once all files are installed click “Next”
•
If Windows
®
Logo Message window appears, click “Continue Anyway”.
•
Once installed, launch by clicking on the ADS58C28_ADS42xx_GUI_vxpx program in Start>Texas
Instruments ADCs
•
When plugging in the USB cable for the first time, you will be prompted to install the USB drivers.
–
On the Welcome to the Found New Hardware Wizard window select “No, not at this time”.
–
Select “Install the software automatically” button on the next window
–
Select “Continue Anyway” on the Windows Logo Message window
–
If computer can not find the drivers automatically then you can access them directly in the install
directory: C:\Program Files\Texas Instruments\ADS58C28_ADS42xx\data\
–
Click “Finish” once completed
1.2
Software Operation
The software allows full programming control of the ADC device.
shows the GUI front panel that
has two register tabs: Top Level and Advanced. The Top Level tab provides an interface to the most used
registers. The Advanced tab includes less used registers and provides an option to manually input
address and data values.
1.2.1
Top Level
shows the Top Level tab of the register user interface. Below is a brief explanation of the
controls. Please refer to the ADS42xx datasheet for more detailed explanations of the register functions as
needed.
• Device selection:
Device selection of ADS58C28 or ADS42xx for proper device.
• Reset:
Device reset, click this switch to reset the registers in the device.
• PND Global:
Device power down, click this switch on to power down the device.
• Data format:
Device output data format, click it to set 2’s complement or offset binary
format.
• LVDS_CMOS Ctrl:
Select this box for LVDS or CMOS output format.
• Digital Funct Ctrl:
Enable or disable three digital functions:
SNRboost/Gain Disable – Gain, test patterns, and offset correction are disabled.
SNRboost Enable Only – Gain, test patterns and offset correction are disabled, SNRBoost enable.
SNRboost/Gain Enable – Gain, test patterns, offset correction are enabled, SNRBoost enable.
• Gain_chA:
Set this box for gain of channel A.
• Gain_chB:
Set this box for gain of channel B.
• Test Pattern:
Select device test pattern.
• High Perf Mode:
High performance mode enable or disable.
• High Freq Mode ChA:
High frequency Mode enable for channel A.
• High Freq Mode ChB:
High frequency Mode enable for channel B.
2
ADS42xx EVM
SLAU333 – March 2011
© 2011, Texas Instruments Incorporated
