EVM Software Overview
5.2
EVM Software Features
5.2.1
Registers Tab
The EVM software features a tab devoted to reading and writing directly to the registers found on the
DACx760 and DACx750, as shown in
. By selecting a register in the register table, the individual
bits can be set in the
Register Value
section of the tab. The function of each bit can be found in the
DACx760 and DACx750 data sheets, or by clicking the
Help w/ Reg
button. Note that read-only registers
cannot have their values changed in this tab.
Figure 12. Registers Tab
5.2.2
Reading From and Writing to Registers
The EVM software only reads from and writes to the DACx760 and DACx750 registers at the user’s
command. These actions are accomplished with the
Read All Reg
and
Write All Reg
buttons. When any
change is made to the configuration register in the
Registers
tab or the
Block Diagram
tab, the green light
is on to show that changes are pending, as shown in
Figure 13. Read, Write, and Auto-Write Buttons
Pressing the
Write All Reg
button writes the pending changes to the DACx760 or DACx750. In addition, by
enabling the
Auto-Write
button, changes are written to the configuration register automatically.
The registers in the DACx760 and DACx750 are read when the
Read All Reg
button is pressed. Perform a
read after writing to the device configuration register to verify that the DACx760 or DACx750 successfully
stored the data.
More information about the individual registers can be found by pressing the
Help w/ Reg
button.
12
DACx760EMC-EVM
SBAU229 – April 2014
Copyright © 2014, Texas Instruments Incorporated
