a
Rev. A 8/20/02
AD5273 One Time Programmable Digital Potentiometer Evaluation Board User Manual
6 STEPS TO SETUP THE EVALUATION BOARD
1.
2.
Install AD5273 Software
Install NTPORT.OCX
4. Open AD5273 Rev A2.exe and program
resistance settings
5. Provide Power Supply
+5V
GND
W
3. Connect DB25M-8P8C Adapter to Parallel Port.
Connect 8P8C cable to eval board RJ45 connector
B
6. Measure Result
Figure 1. Evaluation Kit Setup
No Programming Skill or Programming
Language Required!
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1.
STEPS FOR OPERATING AD5273 EVALUATION KIT
Installing AD5273 Rev A Evaluation Software
a. Run setup.exe under D:\AD5273 Evaluation Board A2\Package
b. During the installation, hit ignore or yes to bypass error messages if they occur.
(Users may need to install the s/w few times to get successful installation)
2. Steps For Enabling PC Parallel Port Communications
(In addition to installing AD5273 Rev A2, users need to install a 3
rd
party driver, NTPORT.OCX from UCT, to gain
access of the PC parallel port. UCT offers a free trial of such driver)
a. Unzip ntport.zip from the CD Rom. If ntport.zip cannot be found, download it from
http://www.uct.on.ca/.
Click Download NTPORT.OCX, Click NTPORT free trial (user is
obligated to pay a nominal license fee after 30 days free trial)
b. Save ntport.zip in default or specified directory
c. unzip and extract all to the specified directory
d. Run setup.exe
e. If it prompts file violations during installation, hit Ignore to bypass it.
f. The following instructions are for users running Windows
2000 and XP (For Win NT,
skip and jump to step g)
Users must ensure the file DLPORTIO.SYS is placed in Winnt\system32\drivers or
Windows\system32\drivers directory.
1. Run
LOADDRV.EXE
under c:\program files\project1 or the specified directory. A dialog box
will appear as
(Error Message: if windows prompts you some error messages such as ‘Can’t connect to
service control manager’, you need to contact the IS department to grant you an authority
for further installation)
2. Change pathname to
c:\winnt\system32\drivers\dlportio.sys.
(For Windows 2000)
c:\windows\system32\drivers\dlportio.sys.
(For Windows XP)
3. Hit
Install
button, then
Start
button. If the status message states successful, the driver is
installed and operating. Click
OK
button.
4. Go to Device Manager
(For Windows 2000, go to Control Panel – Systems – Hardware – Device Manager,
For Windows XP, go to System Properties – Hardware – Device Manager)
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5. The “Non-Plug
and Play Divers“
entry may not be visible at first. If not, click on the
View
menu item in Device Manager and click on
View Hidden Devices
to make sure that hidden driver
files are listed. Then it should be visible.
(Note: If you do not see dlportio, reboot windows or redo LOADDRV.EXE and then reboot
windows.)
6. From the non-plug and play drivers list in Device Manager locate the dlportio device and
double-click.
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7. The dlportio properties page for the driver will be shown. At Driver tab, select Current Status as
Start
and Startup Type as
AUTOMATIC.
(Note: If Startup is not active and you cannot change Type, your computer may be
administered by your IS department. You may need to consult them to change your PC
administrative setting)
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g.
The following instructions are for users running Windows NT only
Users must ensure that the file: DLPORTIO.SYS is placed in the
Winnt\system32\drivers
directory. In order to load the
DLPORTIO.SYS
driver; use the driver loader program
LOADDVR.EXE
1. Open c:\program files\project1\loaddrv.exe
A dialog box will be appear as
(Error Message: if windows prompts you some error messages such as ‘Can’t connect to
service control manager’, you need to contact the IS department to grant you an authority
for further installation)
2. The pathname for DLPORTIO.SYS must be changed accordingly to the following operating
systems:
c:\winnt\system32\drivers\dlportio.sys
3. Hit
Install
button, then
Start
button. If the status message states successful, the driver is
installed and operating. Click
OK
button.
4. Automatic Driver Loading Under Windows NT
Once the DLPORTIO.SYS driver has been installed and run on an NT system it can be made to
start automatically every time NT is started. To place the driver into this mode select the
DEVICES
icon from the Windows NT
Control Panel.
From “Devices” dialog box that will
appear select
dlportio
and click on the
Startup...
button
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