參數(shù)資料
型號: EVAL-AD7898CB
廠商: Analog Devices, Inc.
英文描述: Evaluation Board for 5V, 12-Bit, Serial 220kSPS ADC in 8-Pin Package
中文描述: 評估板為5V,12位,串行220kSPS ADC的8引腳封裝
文件頁數(shù): 8/13頁
文件大?。?/td> 424K
代理商: EVAL-AD7898CB
EVAL-AD7898CB
–8–
REV. 0
Figure 4. The Setup Screen
T aking Samples
When the user clicks
Sample
the software will instruct the
Evaluation Board Controller to take the required number
of samples at the required frequency from the evaluation
board. T hese samples are then uploaded and displayed. An
FFT and Histogram are also calculated and displayed. If
the user clicks
Cont Samp
the software will repeat the
process indefinitely until the user clicks the button again.
While the software is continuously sampling data the other
control buttons are disabled.
Other B uttons
T he
Reset
button will cause the Evaluation Board Con-
troller to perform a reset function. When this happens the
power supplies are turned off and the program in DSP
memory is lost. T he user should repeat the setup instruc-
tions to download another program if required.
T he
Quit
button will exit the software, the program run-
ning on the Evaluation Board Controller is not termi-
nated.
ME NU BAR IT E MS
T he main screen of the Evaluation Board Controller con-
tains a number of options available as pull-down menu
items. T he functions of these are listed below.
File Menu:
Setup Menu:
Selecting this option displays the Setup
Screen as shown in Figure 4.
Load Raw Data:
Selecting this option allows the user to
load data which had been saved by the software during a
previous session.
Save Raw Data:
Selecting this option allows the user to
save the current set of sample data points. T he data can be
reloaded to the Evaluation Board Controller software at a
later date or can be used by other programs for further
analysis
Save Binary Data:
Selecting this option allows the user to
save the current set of sample data points. T he data is
saved in binary format as a text file. T his method can be
useful for examining code flicker, looking for stuck bits
etc.
Save FFT Data:
Selecting this option allows the user to
save the current set of FFT data points. FFT data cannot
be reloaded into the Evaluation Board Controller software
but can be loaded into other software packages for further
analysis.
E xit:
Quits the program.
Printer Port:
T his menu item allows the user to select which printer
port should be used for communication with the Evalua-
tion Board Controller.
LPT 1:
T his option selects 0x378 as the printer port
address. T his is the default option.
LPT 2:
T his option selects 0x278 as the printer port
address.
PRN:
T his option selects 0x3BC as the printer port
address.
Help:
T his menu item gives information about the current revi-
sion of software for the particular evaluation board being
used.
相關(guān)PDF資料
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