Evaluation Board User Guide
Contents
1. Enable Anti Backlash Period Ant Backlash Minimum Low High Maximum 09280 016 Figure 15 Charge Pump Window The Charge Pump Setup window shown in Figure 15 is accessed by clicking the CHARGE PUMP box in Figure 12 This window is most often used to vary the charge pump current PLL 2 CONTROLS Clicking the PLL 2 box from the main window see Figure 16 opens a window to allow configuration of PLL 2 see Figure 17 VCO OUT 1 MHz 963 0400 VCO OUT 2 MHz fa 2600 CAL VCO 09280 116 Figure 16 PLL 2 Box in Main Window Clicking each individual box in the PLL 2 Controls window opens a new window to allow configuration of that block m PLL 2 Controls LD Active CP Mode Norm Op CP Current 420 0 uA Anti BL Min On Freq Band 0 Pole 2 Res 900 Q Use PLL 1 Indicator Rzero Res 22502 Norm Op Pole 1 Cap 16 pF Rzero Res internal VCO MHz tame 3 _2949 1200 49 B Counter 3 2949 1200 12 09280 017 Figure 17 PLL 2 Controls Window Rev 0 Page 9 of 16 Feedback N Divider Window N Divider Divide Ratio 42 N 4B A A Counter Ik B Counter 3 i Figure 18 N Divider Window 09280 018 The N Divider window shown in Figure 18 is accessed by clicking the N DIVIDER box in Figure 17 It allows you to set the feedback divider VCO Divider 1 and Divider 2 The VCO dividers controls are located in the PLL 2 Controls window shown in Figure 172. L A fP A sync Strobe SyncB i Latch SyncB Release SyncB 09280 025 Figure 22 Toggling SYNC Signal Rev 0 Page 10 of 16 OUTPUT DRIVER WINDOW Output 0 Settings POWER Normal Operation On Power Down Off Invert Divider Output Block Sync Diff Mode Low Power DRIVER MODE Power Down Tri State HSTL 1 8 mA CMOS Pin True Pin True CMOS Pin True Pin Comp CMOS Pin True Pin Hi Z CMOS Pin Hi Z Pin True CMOS Pin Hi Z Pin Hi Z CMOS Pin Comp Pin Comp CMOS Pin Comp Pin True CMOS Pin Comp Pin Hi Z CMOS Pin Hi Z Pin Comp Power Down Tri State 09280 022 Figure 23 Output Driver Window The output driver window shown in Figure 23 is accessed by clicking any of the triangular output driver symbols on the right side of the main window see Figure 24 a mA LYWPECL 122 6600 MHZ Norm Op 6 mA LYPECL 122 6600 MHZ Norm Op 16 mA HSTL 0 122 8600 MHz Norm Op a mA LWPECL 122 8600 MHz Norm Op 09280 026 Figure 24 Output Drivers It is important to power down unused outputs on the evaluation board because they can be a major source of unwanted spurs The outputs are ac coupled with 100 Q differential resistors on each output This termination scheme is ideal for LVPECL drivers However this scheme degrades the CMOS driver performance Improved CMOS driver performance is achieved by removing the 100 Q resistors EE
3. Click Reset Serial Port and then click Detect Current Configuration A dialog box appears and acknowledges the I C mode and address The evaluation software starts at I C Address 0x060 and stops at the first valid I C address that it finds If the target I C address is different from the one automatically selected select the I C address of the target AD9523 1 from the list and click OK From the View menu on the menu bar select Debug Window From the Debug window see Figure 9 click the I2C Debug button under the I O Port Status section The window shown in Figure 28 appears Device Address sp Hex Internal Device Addressing Bus Speed Internal Address f 100 kHz 0055 Hex 400 kHz None EEPROM Status 8 Bit Internal Addressing EEPROM Status 16 Bit Internal Addressing Frey chee PROM Communication Transfer Bytes 55 56 57 JG WRITE 1 gt 00000000 Hex gt aot OS amp amp Lita ek ee eee Status Figure 28 Evaluation Software PC Debug Window 08746 023 Enter the I C address set by Jumper P5 and Jumper P6 on the AD9523 1 evaluation board and click Ping The user should see a green ACK message as shown in Figure 28 Repeat this step for the I C address of the target AD9523 1 If ACK is returned for both addresses the remote AD9523 1 is ready to be programmed If the ping test fails double check the cabling between the boards as well as the C address of the target AD952
4. They allow you to set the frequency feeding the channels Channel OUT4 through Channel OUT9 can be configured for either Divider 1 or Divider 2 If Divider 2 is not required it is recommended that it be turned off for best spurious performance Charge Pump Window Charge Pump Setup Power Down Lock Detect CP Mode CP Current uA Tri State Pump Down Pump Up W Enable Ant Backlash Period Ant Backlasn Low High Maximum 09280 020 Figure 19 Charge Pump Window The Charge Pump Setup window shown in Figure 19 is accessed by clicking the CHARGE PUMP box in Figure 17 This window is most often used to vary the charge pump current CHANNEL DIVIDER WINDOW Divider 13 Settings Divide Ratio Divider Phase 09280 021 Figure 20 Channel Divider Window The channel divider window shown in Figure 20 is accessed by clicking the appropriate channel divider see Figure 21 in the main window shown in Figure 6 It is usually sufficient to change only the divide ratio because the evaluation software and the AD9523 1 duty cycle correction feature ensure that the output duty cycle remains very close to 50 09280 027 Figure 21 Channel Divider You can also vary the phase offset by changing the phase offset bits setting under the Divider Phase box in Figure 20 However for the new phase to take effect the SYNC signal must be toggled by clicking the SYNC button shown in Figure 22 and selecting Strobe SyncB
5. A T a q5 3 of eei coe ie Te Hoor CSS rE i i aati an FEF E Ha i A AL a a WWW analo 09280 002 ae SETTING UP THE POWER AND PC CONNECTIONS Set up the power and PC connections as follows 1 Install the AD9523 1 evaluation software before connect ing the evaluation board to the PC for the first time see the Installing the Software section Administrative privileges are required for installation 2 Connect the 6 V wall adapter to Connector P7 of the evalua tion board 3 Connect the USB cables to the evaluation board and the computer 4 Found New Hardware Wizard automatically appears when the evaluation board is connected Select Install the software automatically and then click Next The Found New Hardware Wizard may appear twice and a system restart may be required Refer to the Evaluation Board Software Setup section for details on running the AD9523 1 evaluation board software SETTING UP THE SIGNAL CONNECTIONS After setting up the power and PC connections use the following procedure to set up the signal connections 1 Connect a signal generator to REF A SMA Connector J9 By default the reference inputs on this evaluation board are ac coupled and terminated with 50 Q to ground An amplitude setting of 6 dBm is sufficient 2 Connect an oscilloscope spectrum analyzer or other lab equipment to any of the OUTx SMA connectors on the right side of the board The output connectors are
6. AD9523 1 serial port see Figure 8 by configuring Register 0x0000 shown as 0000h in Figure 10 The serial port configuration window allows you to control how the USB controller interacts with the AD9523 1 serial port If you are using I C mode this window allows you to select which address to use Note that it needs to correspond to the settings of Jumpers P5 and P6 on the evaluation board You can also click the Detect Current Configuration button to have the evaluation software discover which I C address is active 1 0 Interface Serial Port Configuration 50 Pin Value Use SPI Low Low 61 Hex High Low 62 Hex High High Detect Current Configuration ZC Options Communication Speed i kH OK Cancel Figure 8 Serial Port Configuration Window 09280 009 View Menu The Debug window accessed by selecting Debug Window from the View menu allows you to write and read registers directly and to force the various configuration pins high or low see Figure 9 Eval Board Port A FX2 Control Lines Read Signals VO Port Status VO Config REET V Auto Apply LSB First Mode ES aso VO Mode ESET Instruction Length BERETE Blink LED File VO EEPROM Pin USB Status Load Register Map eee 2C Debug SPI Debug lv Auto Apply View Saved File REF_SEL SCK Iv PDB M SYNCB Apply Save Register Map Serial VO Register Address Bytes Transfer V Auto Update Eont Peg 0000 H h v Man
7. discharge sensitive device Charged devices and circuit boards can discharge without detection Although this product features patented or proprietary protection Avad circuitry damage may occur on devices subjected to high energy ESD Therefore proper ESD precautions should be taken to avoid performance degradation or loss of functionality Legal Terms and Conditions By using the evaluation board discussed herein together with any tools components documentation or support materials the Evaluation Board you are agreeing to be bound by the terms and conditions set forth below Agreement unless you have purchased the Evaluation Board in which case the Analog Devices Standard Terms and Conditions of Sale shall govern Do not use the Evaluation Board until you have read and agreed to the Agreement Your use of the Evaluation Board shall signify your acceptance of the Agreement This Agreement is made by and between you Customer and Analog Devices Inc ADI with its principal place of business at One Technology Way Norwood MA 02062 USA Subject to the terms and conditions of the Agreement ADI hereby grants to Customer a free limited personal temporary non exclusive non sublicensable non transferable license to use the Evaluation Board FOR EVALUATION PURPOSES ONLY Customer understands and agrees that the Evaluation Board is provided for the sole and exclusive purpose referenced above and agrees not to use the Evaluation
8. single ended outputs of a differential pair A 50 Q termination should be placed on all unused differential output pairs SETTING UP THE PLL2 LOOP FILTER CAPACITOR PLL2 requires an external loop filter capacitor To achieve the best jitter performance reference Capacitor C6 to LDO_VCO Pin 12 This can done by installing R6 and removing R4 These connections should have been performed at the factory BYPASSING THE 6 V WALL SOCKET POWER SUPPLY The evaluation board contains a dc to dc converter to step down the 6 V to 2 2 V and 4 V Linear regulators are then used to further regulate the 2 2 V to 1 8 V supply domain and the 4 V to the 3 3 V supply domain The evaluation board can be configured to bypass the dc to dc converter and linear regulators or the dc to dc converter only This is useful for measuring AD9523 1 power consumption Refer to the evaluation board schematics provided on the CD in the evaluation board kit also available at www analog com for further details Bypass the 6 V power supply dc to dc converter and linear regulators as follows 1 Note that it is very important to not have the 6 V supply connected to the evaluation board while using external supplies To be safe remove the inductors from each linear regulator output L4 to L15 2 Connect a bench power supply to each of the supply pins on Header TP3 through Header TP15 If the inductors were not removed in Step 1 then some of the supply pins are conne
9. 3 1 Ensure that the I C address of the AD9523 1 on the eval uation board is different from the target AD9523 1 Also disconnect the jumper cable and make sure that IC mode is working properly on the AD9523 1 evaluation board Proceed to program the target AD9523 1 with the desired settings a When finished click the EEPROM button on the main window to access the EEPROM window b Click Program EEPROM to write the settings to the EEPROM QUICK START GUIDE TO THE AD9923 1 The AD9523 1 can be initialized at startup from either the To load the provided setup file EEPROM or from SPI settings The AD9523 1 evaluation board L ships with initial settings programmed in the EEPROM It is advised that the user first use the preprogrammed EEPROM 2 settings before proceeding onto software control To load the values stored in the EEPROM 1 Ensure that the EEPROM pin is pulled high by placing the gt P4 EEPROM_SEL jumper of the evaluation board across the center and left high pin see Figure 3 2 Connect a signal generator to REF A SMA Connector J9 By default the reference inputs on this evaluation board are ac coupled and terminated with 50 to ground An A amplitude setting of 6 dBm is sufficient and the frequency Ps should be 30 72 MHz 3 Connect an oscilloscope spectrum analyzer or other lab equipment to the OUT1 SMA connector on the right side of the board This output connector is a single ended output of a differential pai
10. ANALOG DEVICES Evaluation Board User ms One Technology Way P O Box 9106 Norwood MA 02062 9106 U S A Tel 781 329 4700 Fax 781 461 3113 www analog com Evaluating the AD9523 1 Clock Generator FEATURES GENERAL DESCRIPTION Simple power connection using USB connection and This user guide describes the hardware and software of the on board LDO voltage regulators AD9523 1 evaluation boards The evaluation board schematic LDOs are easily bypassed for power measurements and PCB layout artwork can be found at www analog com AC coupled differential SMA connectors SMA connectors for 2 reference inputs 2 PLL status outputs 1 reference test input 2 VCXO interface inputs outputs Microsoft Windows based evaluation software with simple graphical user interface On board PLL loop filter The AD9523 1 is designed to support the clock requirements for long term evolution LTE and multicarrier GSM base station designs It relies on an external VCXO to provide the reference jitter cleanup to achieve the restrictive low phase noise require ments necessary for acceptable data converter SNR performance The AD9523 1 evaluation board is a compact easy to use plat form for evaluating all features of the AD9523 1 A 122 88 MHz VCXO is mounted on the evaluation board to provide a complete 2 f o solution Easy access to digital I O and diagnostic signals via I O header The input receivers are configured as differential but the evalua S
11. Board for any other purpose Furthermore the license granted is expressly made subject to the following additional limitations Customer shall not i rent lease display sell transfer assign sublicense or distribute the Evaluation Board and ii permit any Third Party to access the Evaluation Board As used herein the term Third Party includes any entity other than ADI Customer their employees affiliates and in house consultants The Evaluation Board is NOT sold to Customer all rights not expressly granted herein including ownership of the Evaluation Board are reserved by ADI CONFIDENTIALITY This Agreement and the Evaluation Board shall all be considered the confidential and proprietary information of ADI Customer may not disclose or transfer any portion of the Evaluation Board to any other party for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to promptly return the Evaluation Board to ADI ADDITIONAL RESTRICTIONS Customer may not disassemble decompile or reverse engineer chips on the Evaluation Board Customer shall inform ADI of any occurred damages or any modifications or alterations it makes to the Evaluation Board including but not limited to soldering or any other activity that affects the material content of the Evaluation Board Modifications to the Evaluation Board must comply with applicable law including but not limited to the RoHS Directive TERMINATION ADI m
12. LL 1 CONTROLS The PLL 1 box in the main window see Figure 6 allows you to configure the PLL1 parameters Clicking the PLL 1 box in the main window shown in Figure 11 opens a window to allow configuration of PLL1 see Figure 12 REF A MHz 30 7200 External VEXO MHz REF B MHz 30 7200 REF TEST MHz 10 0000 Figure 11 PLL1 Box in Main Window 142 660 09280 012 Clicking each individual box in the PLL 1 Controls window opens a new window to allow configuration of that block see Figure 13 for an example for the REF A Divider window u PLL 1 Controls CF On CP Mode Norm Op CP Current 9 0 uA Strong Driver Ant BL Min 09280 112 Figure 12 PLL1 Controls Window Rev 0 Page 8 of 16 Reference REF Divider Window REF A Divider 09280 013 Figure 13 Reference A or Reference B Divider Window The reference divider window shown in Figure 13 is accessed by clicking the REF A Divider box in Figure 12 It allows you to set the reference divider There is a corresponding window for both REF A and REF B dividers Feedback N Divider Window N Divider Divide Ratio 32 Figure 14 N Divider Window 09280 014 The feedback divider window shown in Figure 14 is accessed by clicking the N DIVIDER box in Figure 12 It allows you to set the feedback divider Charge Pump Window Charge Pump Setup Tri State Charge Pump CP Current uA Normal Operation
13. PROM CONTROL EEPROM Control EEPROM Status Registers Data Transfer Status Finished Error Checking Correct EEPROM Status a Program EEPROM 09280 023 Figure 25 EEPROM Control Window The EEPROM Control window shown in Figure 25 is accessed by clicking the EEPROM button near the lower left quadrant of the main window To store the current register settings of the AD9523 1 to the EEPROM click the Program EEPROM button Visually confirm the EEPROM Status Registers section on the right side of the window to verify that the operation is successful To load the values stored in the EEPROM 1 Disconnect the 6 V power connector to power down the AD9523 1 2 Ensure that the EEPROM pin is pulled high by placing the P4 EEPROM_SEL jumper of the evaluation board across the center and left high pin see Figure 3 Reconnect the 6 V power supply This automatically loads the EEPROM settings into the AD9523 1 The programmed settings can be observed at the outputs In addition a window opens see Figure 26 Click the second option to read from the AD9523 1 This loads the control software with the current register settings that were programmed by the EEPROM SYNC Evaluation Software Communication with the evaluation board has been restored The current state of the AD9523 is unknown Click the SYNC button to synchronize the evaluation board and software Options Load the evaluation board with the current s
14. TL 0 122 8800 MHz STATUS 4 Homi Dp EEREN g 8 mA LVPECL GND Off Active H 0 i 122 8800 MHz hoe C Norm Op GND Off Active H 09280 106 CES NET vormal Operation _ IE Figure 6 AD9523 1 Evaluation Software Main Window Rev 0 Page 6 of 16 MENU BAR OF MAIN WINDOW File Menu The File menu allows you to load a previously saved AD9523 1 setup file or to save a new AD9523 1 setup file A setup file stp is a text file that contains the AD9523 1 register setup file plus any evaluation board settings To load a previously saved setup file select Load Setup from the File menu Note that you must still perform a VCO calibration Alternatively to save a new setup file select Save Setup from the File menu To exit the evaluation software select Exit from the File menu However note that you must save your setup before exiting no checking is performed to ensure that the existing setup is saved I O Menu The AD9523 1 evaluation system allows one PC to control multiple evaluation boards The Select USB Device window accessed by choosing Select Evaluation Board from the I O menu allows you to select which evaluation board the software controls see Figure 7 Click Refresh List to detect a recently connected evaluation board Select USB Device 09280 008 Figure 7 Select USB Device Window Selecting Configure Serial Port from the I O menu allows you to control how the USB controller interacts with the
15. ady message appears Rev 0 Page 5 of 16 The main window of the evaluation board software appears Proceed to the Evaluation Board Software Operation section for more details about using the software If the evaluation board was not found a dialog box appears that allows you to select an evaluation board to use while the software runs in standalone mode Standalone mode is useful for viewing and generating register setup files a If the evaluation board was not automatically detected when it was connected choose Select Evaluation Board from the I O menu and then select Ezssp 0 Ezssp 1 or Ezssp 2 see Figure 4 Select USB Device 09280 006 Figure 4 Select USB Device Window If you connect the evaluation board while the evaluation board software is running the window shown in Figure 5 usually appears to prompt you to load the evaluation board with the evaluation board software settings or to read the current evaluation board settings into the software SYNC Evaluation Software Communication with the evaluation board has been restored The current state of the AD9523 is unknown Click the SYNC button to synchronize the evaluation board and software Options iz Load the evaluation board with the current software settings Read the current evaluation board settings into the software Cancel Figure 5 SYNC Evaluation Software Window 09280 005 EVALUATION BOARD SOFTWARE OPERATION The main windo
16. ay terminate this Agreement at any time upon giving written notice to Customer Customer agrees to return to ADI the Evaluation Board at that time LIMITATION OF LIABILITY THE EVALUATION BOARD PROVIDED HEREUNDER IS PROVIDED AS IS AND ADI MAKES NO WARRANTIES OR REPRESENTATIONS OF ANY KIND WITH RESPECT TO IT ADI SPECIFICALLY DISCLAIMS ANY REPRESENTATIONS ENDORSEMENTS GUARANTEES OR WARRANTIES EXPRESS OR IMPLIED RELATED TO THE EVALUATION BOARD INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTY OF MERCHANTABILITY TITLE FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS IN NO EVENT WILL ADI AND ITS LICENSORS BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES RESULTING FROM CUSTOMER S POSSESSION OR USE OF THE EVALUATION BOARD INCLUDING BUT NOT LIMITED TO LOST PROFITS DELAY COSTS LABOR COSTS OR LOSS OF GOODWILL ADI S TOTAL LIABILITY FROM ANY AND ALL CAUSES SHALL BE LIMITED TO THE AMOUNT OF ONE HUNDRED US DOLLARS 100 00 EXPORT Customer agrees that it will not directly or indirectly export the Evaluation Board to another country and that it will comply with all applicable United States federal laws and regulations relating to exports GOVERNING LAW This Agreement shall be governed by and construed in accordance with the substantive laws of the Commonwealth of Massachusetts excluding conflict of law rules Any legal action regarding this Agreement will be heard in the state or federal courts
17. bout AD9523 1 window which contains information such as revision number region information and contact information USING THE SOFTWARE TO CONTROL THE FUNCTIONAL BLOCKS OF AD9523 1 REGISTER W R The REGISTER W R write read section in Figure 6 has three buttons and three check boxes The WRITE button transfers the values stored in the evaluation software to the evaluation board It blinks red when register values have changed The READ button transfers the values stored in the evaluation board to the evaluation software The UPDATE button issues an I O update command by writing to the I O update register Selecting the All check box transfers all of the registers when the WRITE button is clicked When this box is not selected only the registers whose value has changed are written Selecting the Auto check box adjacent to the WRITE button forces the evaluation software to write the register changes to the evaluation board automatically when they occur Selecting the Auto check box adjacent to the UPDATE box forces the evaluation software to issue an I O update command whenever registers are written to the AD9523 1 SYNC PD Power Down and RESET The SYNC PD and RESET buttons allow you to control the SYNC PD and RESET pins on the AD9523 1 Each button has three options Strobe Latch and Release Strobe activates the pin and then releases it Latch holds the pin active until the Release command is issued P
18. cted together on the evaluation board and damage to the external supply and or evaluation board may occur Bypass the 6 V power supply dc to dc converter only as follows 1 Remove L1 L2 L3 R39 R41 R40 and R42 2 Connect a 2 2 V bench supply to Connector P19 3 Connect a 4 V bench supply to the L1 pad Rev 0 Page 3 of 16 USING I C SERIAL PORT MODE l ta i a UES p i E oi SYATO SPO pS STATUSNO hs Pa GH i Loy n I x a a ud uw ra WN uintn amp 09280 004 To use the I2C serial Port mode follow these steps l a Rev 0 Page 4 of 16 Power down the board and shut down the software Set Jumpers P11 and P13 to the I2C position see Figure 2 Select the desired I C address using Jumpers P5 and P6 see Figure 3 Note that setting P5 and P6 low is reserved for SPI mode Power up the board and connect the USB cable to the board Start the evaluation board software On the evaluation software select Configure Serial Port from the I O menu see the I O Menu section Click the Reset Serial Port button and then click Detect Current Configuration see Figure 8 A dialog box should appear to acknowledge the I C mode and address EVALUATION BOARD SOFTWARE SETUP The instructions included in this section are for setting up the AD9523 1 evaluation board software INSTALLING THE SOFTWARE Do not connect the evaluation board until the software installa
19. e l Using the Software to Control the Functional Blocks of Revision History 2 PD OBZ aa a EATA E NEEN 8 EA IRE E T T coeccoceexcrece cee ects cee 3 PELT COMTO Sennap 8 Setting Up Jumper Connections 3 BE 2 CONTO rasa A 9 Setting Up the Power and PC Connections u 3 Channel Divider WinidoWcssscsssroreor enn 10 Setting Up the Signal Connections secsessssssssssssssssssessnsesnseen 3 Output Driver WindOw a 942 aaee eee 11 Setting Up the PLL2 Loop Filter Capacitor ssssssssesssseeseeee 3 EEPROM C Onttoll scesucsaccreescuesssiarmennes amen 11 Bypassing the 6 V Wall Socket Power Supply s ssssssssssesee 3 Using the Evaluation Board to Program an AD9523 1 on a Customer Boardman a 12 Using FC Serial Port Mode ysiccucusa eaten an 4 Quick Start Guide to the AD9523 1 s ssssssesssesssesssessresseessesssess 13 Evaluation Board Software Setup sssesessssssssssesesesssseseseseseseseeseses 5 TiistallinG the SOWAT Ossenaar 5 Usine the SOWAT nacn cane pen neeeom nae 5 REVISION HISTORY 10 10 Revision 0 Initial Version Rev O Page 2 of 16 EVALUATION BOARD HARDWARE The following instructions are for setting up the physical connections to the AD9523 1 evaluation board SETTING UP JUMPER CONNECTIONS The evaluation board is configured for proper PC control and operation If the jumpers are inadvertently moved use Figure 2 and Figure 3 to reconfigure the board iliiill ie ADISA PE eg TE ia W A i
20. having jurisdiction in Suffolk County Massachusetts and Customer hereby submits to the personal jurisdiction and venue of such courts The United Nations Convention on Contracts for the International Sale of Goods shall not apply to this Agreement and is expressly disclaimed ak prea www analog com Rev 0 Page 16 of 16 2010 Analog Devices Inc All rights reserved Trademarks and registered trademarks are the property of their respective owners UG09280 0 10 10 0
21. oftware settings i 09280 024 Figure 26 SYNC Evaluation Software Window Rev 0 Page 11 of 16 USING THE EVALUATION BOARD TO PROGRAM AN AD9523 1 ON A CUSTOMER BOARD This guide explains how to use an AD9523 1 evaluation board 6 to program an AD9523 1 on a customer board via the I C inter face It assumes that the user has access to the I C pins via a header on the target board and knows the assigned address of the target I C device 1 Move Jumpers P13 and P11 to the I2C position 2 Select the desired I C address for the AD9523 1 evaluation board using Jumper P5 and Jumper P6 Note that the P5 a P6 low setting is reserved for SPI mode Also this I C address should not conflict with the I C address of the target AD9523 1 3 Attach a jumper cable from the SDIO_SDA pin of Header P2 of the evaluation board to the SDA pin on the target board 4 Repeat Step 3 for both the SCLK_SCL pin and the GND pin of the AD9523 1 evaluation board attaching jumper cables to the SCL pin and ground pin of the target board respectively 5 On the evaluation software select Configure Serial Port from the I O menu This window is shown in Figure 27 I O Interface Serial Port Configuration Use SPI Low Low 61 Hex High Low 62 Hex High High struction Length 8 Detect Current Configuration 2C Options Communication Speed rnr Figure 27 Evaluation Software Serial Port Configuration J Rev 0 Page 12 of 16
22. r sp 4 Connect the 6 V power supply This automatically loads the EEPROM settings into the AD9523 1 the EEPROM configurations are similar as shown in Figure 6 Rev 0 Page 13 of 16 Follow the instructions provided in the Evaluation Board Software Setup section Ensure that the EEPROM pin is pulled low by placing the P4 EEPROM_SEL jumper of the evaluation board across the center and right low pin see Figure 3 Connect a signal generator to REF A SMA Connector J9 By default the reference inputs on this evaluation board are ac coupled and terminated with 50 Q to ground An amplitude setting of 6 dBm is sufficient and the frequency should be 30 72 MHz Connect the 6 V power supply Provided on the CD is a setup file named AD9523 1_983plan_122p88MHz_VCXO_DoublerON stp located in the Setup Files directory Load this setup file using the File menu from the main software window The main window should appear as shown in Figure 6 Click the CAL VCO button located in the PLL 2 box of Figure 6 Connect an oscilloscope spectrum analyzer or other lab equipment to the OUT1 SMA connector on the right side of the board This output connector is a single ended output of a differential pair A picture of phase noise profile is located in the same directory as the setup file with the same file name with the png extension NOTES Rev 0 Page 14 of 16 NOTES Rev 0 Page 15 of 16 NOTES ESD Caution ESD electrostatic
23. tatus LEDs for diagnostic signals tion board has baluns to provide a single ended input for easy USB computer interface evaluation using common laboratory single ended signal sources Software calculator provides flexibility allowing programming Output 8 is connected to an ADCLK905 clock buffer to provide of almost any rational input output frequency ratio a way to evaluate an Analog Devices Inc buffer Although the ADCLK905 is a 1 to 1 buffer the performance is similar to the larger fanout buffer for example the 1 to 2 buffer ADCLK925 Output 1 and Output 9 are configured with baluns to provide a single ended output to drive most test equipment Output 0 is configured for differential zero delay operation DIGITAL PICTURE OF EVALUATION BOARD E vE Ba L i b Hes Tees BERTE TELET Trp rethee TITT AENA A AA G A a EA A a EE Te te te T 09280 001 Figure 1 AD9523 1 Evaluation Board PLEASE SEE THE LAST PAGE FOR AN IMPORTANT WARNING AND LEGAL TERMS AND CONDITIONS Rev 0 Page 1 of 16 TABLE OF CONTENTS AUIS ua a aeessctares autnsusnaa tncanieseastanestecentansacueeetoaeass l Evaluation Board Software Operation ssesesesesesesssseseseseseseeseses 6 Gre Tie Tall Descrip Hoi oot s aes eravitendaeceeenae usec ivahinederaneh eaeaaniess 1 Menu Bar of Main WindoW vsiccieiexicaleieat ales eciesteiastesleiaccesteedierse 7 Digital Picture of Evaluation Board s sssssssssssesssessssesessssesesssses
24. tion is complete To install the software 1 Insert the AD9523 1 evaluation software CD ROM into a PC CD disc drive Click My Computer and then double click the AD9523 1EV CD icon A window opens showing the contents of the CD divided into four sections data sheet layout schematic and software The readme txt file contains a description of the CD ROM contents as well as any last minute instructions or information Double click the Software folder and then double click AD9523 1Eval_Setup1 1 0 exe Follow the installation instructions The default location for the evaluation software is C Program Files Analog Devices AD9523 1 Eval Software If there are any updates to the evaluation software on a supplemental CD or in the Software Updates folder be sure to copy the new exe file as well as any setup files to the default location USING THE SOFTWARE After the evaluation software has been installed you can run the software as follows I 2 Power up and connect the evaluation board to the PC Double click AD9523 1 Eval Software to run the AD9523 1 evaluation software A hardware installation window appears Depending on whether the evaluation board was found by the software the text in this window is either light blue indicating that the evaluation board was found or red indicating that the evaluation board was not found If the evaluation board was found click in the window when the Evaluation Software Re
25. ual Update Val Inc Dec Read Reg 0x0 Jpecceeece Ppecccee pocosooo ocos ocos pooo ooxxx 00000000 N Hex f ST xx A x A N 00 09280 010 Figure 9 Debug Window Rev 0 Page 7 of 16 The Register Map Values window accessed by selecting Register Map Window from the View menu allows you to read registers see Figure 10 Register Map Values Addr Binary Val Addr Addr Addr Binary Val o000h OOF Sh DIER 00001110 0002h OOF Ah O14Fh O4 04h 0003h 0190h 0180h O40Bh 0004h 019th O1BIh O40Ch 0005h 0192h 0182h O4O0Dh OO06h 0193h 01B3h O40Eh Regmap Buffer 0010h 0194h 01B4h 0ADFh fs Naw Valine 0011h 0195h 0165h 04 10h 001 2h 0196h O1B6h O41 1h 001 3h 0197h 0167h 0412h 001 4h 0198h O1B8h O413h Data Format 0015h 0199h 0169h O414h f Binary 001 6h 0194h O1BAh 001 h 0198h OIBBh 041 6h 0018h 019Ch 022Ch OB 00h 0019h 0190h 0220h M Auto Refresh 0014h O19Eh 022Eh OBOZh Refresh C Current Yalues C Hex 0018h 019Fh 022Fh 0B03h 001Ch 0140h 0230h OFFFh 001Dh 1 ATh 0231h 1000h OO1Eh 0142h 0232h 1001h 001Fh 0143h 0233h 1002h 0020h 14h 0234h 1003h OOF Oh 0145h 0400h 1004h OOF 1h O401h 1005h OOF 2h nA O402h 1006h OOF 3h 0148 O403h 1007h OOF 4h 0149 nog O404h 1008h OOF 5h 1 AA 04 05 1009h DOFEh D1ABh 00010000 O amp 406h 1004h OOF h DACh 00011111 0407 DOF Sh O14Dh 00000000 09280 011 Figure 10 Register Map Window Help Menu Selecting Help from the Help menu opens the A
26. w of the AD9523 1 evaluation board software When a subsection window closes after clicking OK the comprises subsections that correspond to the major functional WRITE button under REGISTER W R on the main window blocks of the AD9523 1 see Figure 6 These subsections most may start blinking This indicates that there are settings that of which have their own window are outlined in this section have not been loaded to the AD9523 1 evaluation board Click From the main window the window for each functional block WRITE to load these settings to the evaluation board can be accessed by clicking the appropriate box EL AD95 3 1 Evaluation Software File I O View Help PLL1 OUT MHz 4 amp mA LWPECL 245 7600 MHz 122 3000 Norm Op a mA LYPECL VCO OUT 1 MHz 12 4o iene MHz sn Abate 983 0400 TE 8 mA LVPECL 30 7200 External TT go 245 7600 MHz rr 3 Norm Op VCXO MHz VCO OUT 2 MHz REF B MHz l mA LYPECL 122 8800 737 2800 10 245 7600 MHz 30 7200 Norm Op 16 mA HSTL 0 REF TEST MHz 9 134 3200 MHz CAL VCO atthe 10 0000 amp m LVPECL 184 3200 MHz Norm Op ee 8 mA LVPECL INP RECEIVERS 184 3200 MHz Norm Op 4 8 mA LVPECL PLL READBACK 6 184 3200 MHz Horm Op 8 mA LVPECL 61 4400 MHz i Horm Op AI Da 8 mA LVPECL Auto 4 61 4400 MHz ea Norm Op UPDATE v Auto 3 8 mA LVPECL 122 8800 MHz Norm Op 8 mA LVPECL 122 8800 MHz STATUS 0 Nom OE 16 mA HS
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