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24LC64-I 参数 Datasheet PDF下载

24LC64-I图片预览
型号: 24LC64-I
PDF下载: 下载PDF文件 查看货源
内容描述: 评估板用于16位,串行输入,环路供电4毫安至20 mA DAC [Evaluation Board for 16-Bit, Serial Input, Loop-Powered 4 mA to 20 mA DAC]
分类和应用:
文件页数/大小: 12 页 / 562 K
品牌: ADI [ ADI ]
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UG-250  
Evaluation Board User Guide  
Figure 3. Main Window  
DAC Register  
MAIN WINDOW  
The DAC Register tab allows the user to program the DAC  
register, offset adjust register, and gain adjust register.  
As can be seen in Figure 3, the main window is made up of  
5 tabs; Control Register, DAC Register, Fault Register,  
Program Loop Current, and Command Write. Outside  
of the tab structure at the top right of the window are two  
control items; LDAC PIN to set the state of the LDAC pin  
and USE PEC to select whether packet error checking is used  
in the communications with the AD5421. There is also an  
indicator item; PEC Error, this alerts to a packet error in the  
data received from the AD5421. At the bottom of the window  
is a display of the contents of the fault register, this is updated  
on every communication with the AD5421 if Auto Fault  
Readback is enabled.  
Fault Register  
The Fault Register tab allows the user to read the contents  
of the fault register. The fault register can also be polled  
continuously.  
Program Loop Current  
The Program Loop Current tab allows the user to program a  
loop current value directly by entering the value in milliamps  
after having first selected the loop current range that is set by  
the Range0 and Range1 link options.  
Control Register  
Command Write  
The Control Register tab is displayed by default. This tab  
allows the user to program the control register.  
The Command Write tab allows the user to read/write all of the  
AD5421s registers as well as issue commands.  
Rev. A | Page 6 of 12