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| 型號(hào)： | AD7492CB |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | ADC |
| 英文描述： | Evaluation Board for 12-bit high speed, low power, successive-approximation ADC |
| 中文描述： | 評(píng)估板12位高速，低功耗，逐次逼近型ADC |
| 文件頁數(shù)： | 7/14頁 |
| 文件大小： | 722K |
| 代理商： | AD7492CB |
EVAL-AD7492CB
REV. A
–7–
Figure 3. Main Screen - Histogram Mode
Setup Screen
The Setup Screen is responsible for allowing the user to load
a configuration file for the evaluation board. The configura-
tion file will give the software detailed information about the
evaluation board and part connected to the Evaluation Board
Controller such as number of bits, maximum sampling rate,
power supply requirements etc. The configuration file also
tells the software the name of the DSP program file which it
should download to the Evaluation Board Controller. These
files are supplied by Analog Devices with the evaluation
board. Figure 4 shows the Setup Screen.
SETTING UP THE EVALUATION BOARD CON-
TROLLER
The following text describes how the evaluation board
Evaluation Board Controller and software should be set up
for the user to begin using the complete system. The
Evaluation Board Controller and evaluation board should be
connected together (via the 96 way connector). The power
should be applied to the Evaluation Board Controller. At this
stage the red LED should be flashing which indicates that the
Evaluation Board Controller is functional and ready to
receive instructions. The software which should have
been installed should be loaded before the printer port
cable is connected between the Evaluation Board Con-troller
and the PC. This will ensure that the printer port has been
initialized properly. The printer port cable can then be
connected between the PC and the Evaluation Board Con-
troller.
Running the Software
With the hardware setup the user is now in a position to
use the software to control the Evaluation Board Con-troller
and evaluation board. In the software the user should select
the
File
menu and click on
Setu
p. This will display the setup
form. A window on the left of the setup form list all the
available configuration files. The con-figuration files are text
based files which contain infor-mation about the particular
evaluation board to be tested. The information will cover
such things as the 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
Evaluation Board Controller. The user should select the
relevant configuration file and click
Loa
d. The Evaluation
Board Controller will be reset and the DSP program will be
downloaded. When the download has been completed the
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