www.ti.com
2.1
Starting the Serial Interface Program
DAC5686 EVM Operational Procedure
Power up the EVM. After power up, depress switch S1 to reset the DAC5686. Start the software by
running DAC5686_SPI.exe. If the EVM is powered on with the parallel port connected properly, then the
GUI shown in
is displayed with the default settings read from the device. If there is a problem
with the communication, such as the EVM is not powered on or the parallel port cable is not connected, an
error message will be displayed instructing the user to correct the problem. Once corrected, hit the Read
All button to read the default settings of the device.
For normal operation, the user needs only to select values and switches as desired. The values are
automatically sent to the device and read back to verify their configuration.
Figure 1. Serial Interface GUI
DAC5686 EVM
10
SLWU006E – December 2004 – Revised March 2007
