Software Control
1
Software Control
1.1
Installation Instructions
•
Open folder named: ADS42Bxx_Installer_vxpx (where xpx represents the latest version)
•
Double-click:
setup.exe
•
Follow on-screen instructions to complete GUI installation
–
Wait for
ADS42Bxx_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 ADS42Bxx_GUI_vxpx program in Start
→
Texas Instruments
ADCs
•
When plugging in the USB cable for the first time, you are 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 the computer cannot find the drivers automatically, access them directly in the install directory:
C:\Program Files (x86)\Texas Instruments ADCs\ADS42Bxx GUI
–
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 register tabs. The GUI tab provides an interface to the most-used registers.
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 ADS42B49 datasheet for more detailed explanations of the register functions as
needed.
●
Reset:
Device reset, clicking this switch resets the device
●
Powerdown Global:
Clicking the Device power down switch on powers down the device
●
Data format:
Clicking the Device output data format, sets the 2’s complement or
offset binary format. High Speed Data Converter Pro expects offset
binary.
●
Output Buffer Selection:
Select this box for LVDS or CMOS output format
●
Gain ChA:
Set this box for gain of channel A. Must enable digital functions first.
●
Gain ChB:
Set this box for gain of channel B. Must enable digital functions first.
●
Test Pattern ChA:
Select device test pattern for channel A. Must enable digital functions
first.
●
Test Pattern ChB:
Select device test pattern for channel B. Must enable digital functions
first.
●
HP[0]
High-performance mode bit 0 - set for CMOS outputs
●
HP[1:11]
High-performance mode bits 1 to 11. Always set this control.
●
Digital Function Enable
Set this bit to control digital functions, such as gain and test patterns.
●
Low Speed Mode En:
Low-Speed Mode Enable or Disable
●
Low Speed Mode ChA:
Low-speed mode for channel A
2
ADS42B4x EVM
SLAU477A – December 2012 – Revised January 2015
Copyright © 2012–2015, Texas Instruments Incorporated