Interfacing To The Evaluation Board - Analog Devices AD7780 User Manual

Evaluation Board User Guide

INTERFACING TO THE EVALUATION BOARD

Interface to the evaluation board via a standard USB connector,
J1. J1 is used to connect the evaluation board to the USB port
of a PC. A standard USB connector cable is included with the
AD7780 evaluation board to allow the evaluation board to inter-
face with the USB port of the PC. Because the board is powered
via the USB connector, there is no need for an external power
supply, although if preferred, one may be connected via J2.
Communicate between the
USB/SPI interface. The on-board USB controller (U2)
handles this communication.
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AD7780 and the PC via the
Figure 2. Hardware Installation Window
To set up the USB/SPI interface, use the following procedure:
1. Install the AD7780 evaluation board software using the
supplied AD7780 evaluation board CD before connecting
the board to the PC.
2. After the AD7780 evaluation board software is installed,
connect the board to the PC via J1 on the AD7780 evaluation
board and via the USB port on the PC using the supplied
USB connector cable. The PC automatically finds the new
USB device and identifies it as the AD779x Evaluation Board.
3. Follow the on-screen instructions that appear. During the
installation process, if the Hardware Installation Wizard
appears as shown in Figure 2, click Continue Anyway to
complete the installation of the AD7780 evaluation board.
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