Setup Screen; Running The Software - Analog Devices EVAL-AD7723CB Quick Start Manual

EVAL-AD7723CB

SETUP SCREEN

The Setup Screen is responsible for allowing the user to
load a configuration file for the evaluation board.
configuration file will give the software detailed informa-
tion about the evaluation board and the part connected to
the Eval-Control Board such as number of bits, maximum
sampling rate, power supply requirements, etc.
configuration file also tells the software the name of the
DSP program file which it should download to the Eval-
Control Board. These files are supplied by Analog Devices
with the evaluation board. Figure 5 shows the setup screen.
For the AD7723 evaluation board, the configuration file is
called ad7723.cfg.
SETTING UP THE EVAL-CONTROL BOARD
The Eval-Control Board and AD7723 evaluation board
should be connected together via the 96-way connector.
The power should be applied to the Eval-Control Board.
At this stage, the red LED should be flashing which
indicates that the Eval-Control Board is functional and
ready to receive instructions.
have been installed should be loaded before the printer port
cable is connected between the Eval-Control Board and the
PC. This will ensure that the printer port has been
Figure 4: Main Screen - Histogram Mode
The
The
The software which should
– 8 –
initialized properly. The printer port cable can then be
connected between the PC and the Eval-Control Board.

RUNNING THE SOFTWARE

With the hardware setup, the user is ready to use the
AD7723 evaluation board with the Eval-Control Board. In
the software, the user should select the File menu and click
on Setup. This will display the setup form. A window on
the left of the setup form lists all the available configuration
files. The configuration file is a text based file which
contains information about the AD7723 evaluation board
such as part name, number of samples to be taken, default
and maximum sampling frequency power supply settings,
etc. The configuration file also contains the name of the
DSP program file which is to be downloaded to the Eval-
Control Board. The user should select the configuration
file and click Load. The Eval-Control Board will be reset
and the DSP program will be downloaded.
download, the power supply settings indicated in the
configuration file are set and the user may hear some relays
clicking. The pulldown menu items such as 'number of
samples' and 'sampling frequency' will have been set to the
default values specified by the configuration file. The user
is free to change these at will. Once the settings have been
decided, the user can click Close to return to the main form.
During the
REV. B