background image

Evaluation Board User Guide 

UG-002

 

Rev. 0 | Page 9 of 12 

DLL Window 

Clicking 

Click for Details

 in the 

DLL

 box of the main window 

accesses the 

DLL

 window (see Figure 11). This window can be 

used to manually override the automatic time alignment between 
the REF A and REF B clock input signals to the PLL1 phase 
detector.  

0

8129-

013

 

Figure 11. DLL Window 

Input PLL + DCXO Window 

Clicking 

Click for Details

 in the 

PLL & DCXO

 box in the main 

window accesses the 

Input

 

PLL + DCXO

 window (see Figure 12).  

08129-

014

 

Figure 12. Input PLL + DCXO Window 

PFD and Charge Pump Window 

Clicking 

Click for Details

 in the 

PFD & Charge Pump

 box of 

the main window accesses the 

PFD and Charge Pump 

window 

(see Figure 13). 

0812

9-

015

 

Figure 13. PFD and Charge Pump Window 

VCO Control Window 

Clicking 

Click for Details

 in the 

VCO

 box of the main window 

accesses the 

VCO Control

 window (see Figure 14). 

08129-

016

 

Figure 14. VCO Control Window 

Содержание AD9551

Страница 1: ...AD9551 evaluation board and includes detailed schematics and PCB layout artwork The AD9551 Revision D evaluation board is a compact easy to use platform for evaluating all features of the AD9551 multi...

Страница 2: ...d Software 4 Installing the Software 4 Using the Software 4 Guide to Programming the AD9551 5 Using an SPI Port 5 Using Dip Switches Manual Control 5 Using Software to Override Dip Switches Software C...

Страница 3: ...Next The Found New Hardware Wizard may appear twice and a system restart may be required Refer to the Evaluation Board Software section for details on running the AD9551 evaluation board software SET...

Страница 4: ...the evaluation board to the PC 2 Double click AD9551 Eval Software to run the AD9551 evaluation software A hardware installation window appears Depending on whether the evaluation board was found by...

Страница 5: ...s to low Note that S2 controls REF B If REF B is not used there is no need to change the S2 settings 4 Connect a signal generator to REF A SMA Connector J1 By default the reference inputs on this eval...

Страница 6: ...re outlined in this section From the main window the window for each functional block can be accessed by clicking the appropriate box in the main window When a subsection window closes after clicking...

Страница 7: ...u allows you to select which evaluation board the software controls see Figure 5 Click Refresh List to detect a recently connected evaluation board 08129 005 Figure 5 Select USB Device Window Selectin...

Страница 8: ...ion boxes in the main window have a checkbox labeled SPI If this box is selected the software allows serial port writes when conditions are changed in the corresponding subsection window When a subsec...

Страница 9: ...Input PLL DCXO Window Clicking Click for Details in the PLL DCXO box in the main window accesses the Input PLL DCXO window see Figure 12 08129 014 Figure 12 Input PLL DCXO Window PFD and Charge Pump W...

Страница 10: ...e OutSel Pin drop down box see Figure 18 in the main window controls the logic level on the OUTSEL pin of the AD9551 However this value can be overwritten by using the SPI control register 08129 019 F...

Страница 11: ...ioned for PC control 2 Verify that all five jumpers are in place on Connector P2 3 Set the positions of the S1 S2 and S3 dip switches to high 4 Click Calculate Device Settings in the main window of th...

Страница 12: ...ings that have not been loaded to the AD9551 evaluation board Click LOAD to load these settings to the evaluation board 4 Select 19 44MHz Mode in the Input PLL Mode box and then click OK ESD CAUTION 5...

Отзывы: