Texas Instruments DAC5681ZEVM - DAC5681Z Evaluation Module DAC5681ZEVM DAC5681ZEVM Datenbogen
Produktcode
DAC5681ZEVM
÷
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18
R
V
16
IOUT
EXTIO
FS
5
DAC5681/81z/82z EVM Software
5.1
Software Functionality Overview
DAC5681/81z/82z EVM Software
www.ti.com
where V
EXTIO
is the voltage at pin EXTIO. This voltage is 1.2 V when using the internally provided
bandgap reference voltage source. The internal reference can be disabled and overridden by an external
reference by connecting a voltage source to EXTIO and connecting EXTLO to +3.3 VA (JP8 EXTLO
connected between pins 1 and 2). The specified range for external reference voltages must be observed.
reference by connecting a voltage source to EXTIO and connecting EXTLO to +3.3 VA (JP8 EXTLO
connected between pins 1 and 2). The specified range for external reference voltages must be observed.
The EVM Control Software is started by accessing the Windows start
→
All Programs
→
Texas Instruments DACs cascading menus.
The DAC EVM application helps you to:
•
Configure the DAC and CDCM7005 registers.
•
Save and load these register settings using text files.
•
Visualize the data path through the DAC
•
Download a pattern to a TSW3100 Pattern Generator System (link to TSW3100 EVM folder).
This section provides you an overview of the software settings and functionality for the entire DAC
Graphical User Interface. The software has five groups of settings that help you modify the functionality of
the active panels. You can switch between these settings by selecting one of the Menu items described in
Graphical User Interface. The software has five groups of settings that help you modify the functionality of
the active panels. You can switch between these settings by selecting one of the Menu items described in
.
Table 4. Software Main Menu Selections
Menu Item
Top Panel
Bottom Panel
Section
Example Screen
Functionality Reference
Example Screen
Functionality Reference
EVM Home
EVM and DAC serial information.
not applicable
EVM communication status
DAC5682z
DAC Register Configuration
DAC data path under the current
Diagram
register settings
Register Config
DAC Register Configuration
CDCM7005 Register
Configuration
TSW3100 Config
DAC Register Configuration
TSW3100 Configuration
Pattern Generator display
Help
DAC Register Configuration
DAC data path and help window
The DAC software interface controls are divided into areas. The functionality of these areas is described in
through
.
Table 5. Software Area Descriptions
Area
Description
Menu
Switch between the main functionality settings described in
DAC5682Z Home
Displays DAC part serial information and EVM status.
USB and Readback buttons
Reset the USB port to begin a new data session. Disable DAC read capabilities (simulation
mode).
mode).
DAC5682z Register Table
Displays DAC register settings in binary and hexadecimal formats.
12
DAC5681/81z/82z EVM
SLAU236A – November 2007 – Revised October 2008