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TDC-GPX2 Standard Board 

 

ams Eval Kit Manual 

Page 11 

[v1-00] 2016-Oct-20 

Document Feedback

 

 

4.4 

Avoiding Configuration Conflicts 

Some combinations of parameter settings can prohibit operation or cause erroneous results. Some 
of these combinations are indicated with a red bar. User should avoid such configurations since the 
results may be difficult to interpret or faulty at all. 

Some examples of configuration conflicts: 

A 

Bad 

 

 

Good 

 

 

B 

Bad 

 

Good 

 

C 

Bad 

 

 

Good 

 

D 

Bad 

 

 

Good 

 

E 

 

The LVDS readout frequency is recommended up 
to 360MHz in SDR mode only. Nevertheless 400 
MHz is possible to configure and operate 

 

 

Содержание TDC-GPX2

Страница 1: ...Eval Kit Manual DN Document ID ams Eval Kit Manual Page 1 v1 00 2016 Oct 20 Document Feedback TDC GPX2 Standard Board GPX2 EVA KIT ...

Страница 2: ... 5 3 Hardware Description 6 3 1 Introduction 6 3 2 Input Signals lines 7 3 2 1 CMOS Inputs 7 3 2 2 LVDS Inputs 7 4 Software Description 8 4 1 Main Window REFCLK Page 8 4 2 STOP Page 9 4 3 Interface Page 10 4 4 Avoiding Configuration Conflicts 11 4 5 Register Content 12 4 6 Graph Window 13 5 Schematics Layers and BOM 15 6 Ordering Contact Information 23 7 Copyrights Disclaimer 24 8 Revision Informa...

Страница 3: ... latest TDC GPX2 datasheet Features are PC supported system with USB communication interface Easy to use evaluation and measurement software Different power options selectable by jumpers Three reference clock sources for alternate clock options Data collection to ASCII text files Visualization of measurement results Figure 1 Kit Content Pos Item Comment 1 PICOPROG V3 0 Programmer and interface 2 G...

Страница 4: ...red directory Open setup exe from the unzipped directory Follow the instructions on the screen When connecting the PicoProg to the USB port it will be listed first as picoprog v2 0 unprogrammed device This is true also for PicoProg V3 0 Starting the software will download a special firmware into the PICOPROG picoprog_gpx2_v005 hex or higher and the device will now be listed as UNIPRO Open the STAR...

Страница 5: ... kit should be on Connect your signal source 2 3 Software Excecute the GPX2 Frontpanel software The communication status should be green The software starts with an initial configuration that can be opened the default configuration file config_default cfg Press Power On Reset Write Config Init Reset Press Start Measurement The measurement should run and results should be displayed now ...

Страница 6: ...per selects the supply voltage as 3 0 V 3 3 V or 3 6 V 4 A separate jumper allows measuring the current into the TDC GPX2 5 Figure 2 GPX2 EVA BOARD Solder pads are prepared to apply an external oscillator This may be used as a reference instead of the RefClk input Further solder pads are available to connect the signal lines Here the user may solder cables directly apply pin connectors or in case ...

Страница 7: ...t directly CMOS input signals or LVDS signals Figure 3 Input section CMOS In CMOS GND LVDS P N In LVDS GND 10R CMOS 100k LVDS 100R N c LVDS 3 2 1 CMOS Inputs On the board there is a 10 Ohm series resistor 3 2 2 LVDS Inputs On the board there are 100kOhm pull up resistors to TVDD33 The resistors interconnecting P and N inputs are not assembled ...

Страница 8: ...ain window The main menu offers the typical functions to load and save configurations to run a measurement to open the graph and register windows as well as a help The two figures on the right indicate the communication status Both bar indicators should be green Figure 5 Menu selections As a first step we recommend to load the standard configuration config_default cfg then press Power On Reset Wri...

Страница 9: ...reference clock period In the middle section the user selects between CMOS and LVDS At the bottom visible on all tabulators is the numerical display of the measurement results STOP1 to STOP2 In addition the software allows to calculate the difference between two stop results The select box Math defines the formula Calculation Formula On STOP1 STOP2 Off REFNO1 REFNO2 REFCLK_DIVISIONS STOP1 STOP2 Va...

Страница 10: ...l Page 10 v1 00 2016 Oct 20 Document Feedback 4 3 Interface Page On this page the communication as well as the output data format is defined In any case on the evaluation kit all communication is done via the on board FPGA Figure 7 Kit Content ...

Страница 11: ...se erroneous results Some of these combinations are indicated with a red bar User should avoid such configurations since the results may be difficult to interpret or faulty at all Some examples of configuration conflicts A Bad Good B Bad Good C Bad Good D Bad Good E The LVDS readout frequency is recommended up to 360MHz in SDR mode only Nevertheless 400 MHz is possible to configure and operate ...

Страница 12: ...he register content in the GUI and the TDC GPX2 Separate pages display configuration data and result data Changing the hexadecimal values will change the configuration in the GUI accordingly With Write Config the updated configuration is downloaded into the chip Figure 8 Registers Window Configuration Figure 9 Registers Window Results ...

Страница 13: ...odified individually Move the mouse over the line symbol and press the right mouse button A menu with many options will pop up There are dedicated buttons for zoom to all or zoom in X or Y only In addition the standard Labview zoom functions are available see the icons on the top right Figure 10 Graph Window The displayed data can be exported into a text file The maximum is 128 000 data sets Figur...

Страница 14: ...ogram Figure 12 Exported data format 4 7 Known Errors Software Hang up o Once in a while typically during tests in the temperature chamber it may happen that the software hangs up This is most likely to erroneous reading from the FIFO and related in the FPGA The error will be removed in the next revision of the FPGA o Workaround restart the software ...

Страница 15: ...TDC GPX2 Standard Board ams Eval Kit Manual Page 15 v1 00 2016 Oct 20 Document Feedback 5 Schematics Layers and BOM Figure 13 GP30 EVA BOARD Schematics 1 ...

Страница 16: ...TDC GPX2 Standard Board ams Eval Kit Manual Page 16 v1 00 2016 Oct 20 Document Feedback Figure 14 GP30 EVA BOARD Schematics 2 ...

Страница 17: ...TDC GPX2 Standard Board ams Eval Kit Manual Page 17 v1 00 2016 Oct 20 Document Feedback Figure 15 GP30 EVA BOARD Schematics 3 ...

Страница 18: ...TDC GPX2 Standard Board ams Eval Kit Manual Page 18 v1 00 2016 Oct 20 Document Feedback Figure 16 GPX2 EVA BOARD Layout Top layer Figure 17 GPX2 EVA BOARD Layout Layer2 ...

Страница 19: ...TDC GPX2 Standard Board ams Eval Kit Manual Page 19 v1 00 2016 Oct 20 Document Feedback Figure 18 GPX2 EVA BOARD Layout Layer 2 Figure 19 GPX2 EVA BOARD Layout Bottom layer ...

Страница 20: ...TDC GPX2 Standard Board ams Eval Kit Manual Page 20 v1 00 2016 Oct 20 Document Feedback Figure 20 GPX2 EVA BOARD Layout Assembly layer ...

Страница 21: ...5 C19 C23 C29 C31 C43 C49 C60 F95_P 33u TANTAL F950J336MPAAQ2 9 1 D2 LED HSMX PLCC2 Grün SURFACE MOUNT LED 10 1 U3 LM317EMP SOT223 11 2 U9 U12 BD733L2FP3 CE2 BD733L2FP3 CE2 12 1 U6 ADP163AUJZ CMOS Linear Regulator ADP163AUJZ R7 13 1 D1 MRA4007T3 DIODE 14 1 X2 QSC KXO V97 5MHz Crystal Oscillator 12 94354 15 10 R2 R16 R22 R23 R24 R25 R26 R27 R33 R35 R603 100R CHIP RESISTOR 16 2 R30 R31 R603 165R CHI...

Страница 22: ... R805 1M87 CHIP RESISTOR 33 1 R13 R805 820k CHIP RESISTOR 34 15 R7 R8 R38 R39 R44 R50 R52 R53 R54 R55 R56 R57 R58 R59 R60 R805 100k CHIP RESISTOR 35 8 R29 R61 R62 R64 R65 R66 R68 R70 R805 1M CHIP RESISTOR 36 8 R3 R15 R18 R19 R63 R110 R1206 0R CHIP RESISTOR 37 4 J10 J11 J12 J13 ST 254_2 MULTI PIN CONNECTOR 38 1 J4 ST 254_10_2R_WANNE 1 1634688 0 39 1 J1 ST DSUB15HD_ABG MALE CONNECTOR DSUB15 ABG 40 1...

Страница 23: ...tion board for QFN64 Buy our products or get free samples online at www ams com ICdirect Technical Support is available at www ams com Technical Support Provide feedback about this document at www ams com Document Feedback For further information and requests e mail us at ams_sales ams com For sales offices distributors and representatives please visit www ams com contact Headquarters ams AG Tobel...

Страница 24: ...l be used by qualified personnel only ams AG reserves the right to change functionality and price of Demo Kits Evaluation Kits and Reference Designs at any time and without notice Any express or implied warranties including but not limited to the implied warranties of merchantability and fitness for a particular purpose are disclaimed Any claims and demands and any direct indirect incidental speci...

Страница 25: ...n Information Changes from previous version 0 02 to current revision 1 00 2016 Oct 20 Page Transfer from preliminary to release version 1 00 Note Page numbers for the previous version may differ from page numbers in the current revision Correction of typographical errors is not explicitly mentioned ...

Страница 26: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information ams GPX2 EVA KIT ...

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