Silicon Laboratories Si5341-EVB, User Manual

Page 1: ...ing the Clock Builder Pro CB Pro software tool EVB Features Powered from USB port or external power supply Onboard 48 MHz XTAL allows free run mode of operation on the Si5341 or up to 3 input clocks for synchronous clocking Feedback clock input for optional zero delay mode CBPro GUI programmable VDD supply allows device to operate from 3 3 2 5 or 1 8 V CBPro GUI programmable VDDO supplies allow ea...

Page 2: ...iagram of the Si5341 EVB This EVB can be connected to a PC via the main USB connector for programming control and monitoring See section 3 Quick Start or section 8 Installing ClockBuilderPro CBPro Desktop Software for more information Figure 2 Si5341 EVB Functional Block Diagram ...

Page 3: ...i5341 EVB 5 For the Si5341 data sheet go to http www silabs com timing 4 Jumper Defaults Refer to the Si5341 EVB schematics for the functionality associated with each jumper Si5341 EVB Jumper Defaults Location Type I Installed 0 Open Location Type I Installed 0 Open JP1 2 pin O JP23 2 pin O JP2 2 pin I JP24 2 pin O JP3 2 pin O JP25 2 pin O JP4 2 pin I JP26 2 pin O JP5 2 pin I JP27 2 pin O JP6 2 pi...

Page 4: ...1 and D24 are status LEDs showing on board MCU activity Figure 3 Status LEDs Si5341 EVB Status LEDs Location Silkscreen Color Status Function Indication D27 5VUSBMAIN Blue Main USB 5V present D22 3P3V Blue DUT 3 3 V is present D26 VDD DUT Blue DUT VDD voltage present D25 INTR Red MCU INTR Interrupt active D21 READY Green MCU Ready D24 BUSY Green MCU Busy ...

Page 5: ...o the Si5341 data sheet Figure 4 Input Clock Termination Circuit 7 Clock Output Circuits OUTx OUTxB Each of the twenty output drivers 10 differential pairs is AC coupled to its respective SMA connector The output clock termination circuit is shown in Figure 5 below The output signal will have no dc bias If DC coupling is required the AC coupling capacitors can be replaced with a resistor of approp...

Page 6: ...wnload ClockBuilderPro software Installation instructions and User s Guide for ClockBuilderPro can be found at the download link shown above Please follow the instructions as indicated 9 Using the Si5341 EVB 9 1 Connecting the EVB to Your Host PC Once ClockBuilderPro software is installed connect to the EVB with a USB cable as shown below Figure 6 EVB Connection Diagram ...

Page 7: ...ions of the 64 pin Si534x EVBs may have the silkscreen text at JP15 JP16 reversed regarding EXT and USB i e USB EXT instead of EXT USB Regardless the correct installation of the jumper shunts for default or standard operation is on the right hand side as read and viewed in Figure 7 The general guidelines for single USB power supply operation are listed below Use either a USB 3 0 or USB 2 0 port Th...

Page 8: ...ions Figure 8 Application 1 ClockbuilderPro Wizard Use the CBPro Wizard to Create a new design Review or edit an existing design Export create in system programming Figure 9 Application 2 EVB GUI Use the EVB GUI to Download configuration to EVB s DUT Si5341 Control the EVB s regulators Monitor voltage current power on the EVB ...

Page 9: ...uration The flow for using the EVB GUI to initialize and control a device on the EVB is as follows Once the PC and EVB are connected launch ClockBuilder Pro by clicking on this icon on your PC s desktop Figure 10 ClockBuilderPro Desktop Icon If an EVB is detected click on the Open Default Plan button on the Wizard s main menu CBPro automatically detects the EVB and device type Figure 11 Open Defau...

Page 10: ...he default plan to the EVB click on Open EVB GUI as shown below Figure 14 Open EVB GUI The EVB GUI will appear Note all power supplies will be set to the values defined in the device s default CBPro project file created by Silicon Labs as shown below Figure 15 EVB GUI Window ...

Page 11: ...r down and reset the DUT Every time you do this to reload the Silicon Labs created default plan into the DUT s register space you must go back to the Wiz ard s main menu and select Write Design to EVB Figure 16 Write Design to EVB Failure to do the step above will cause the device to read in a pre programmed plan from its non volatile memory NVM However the plan loaded from the NVM may not be the ...

Page 12: ...bserved output clocks to the frequencies and formats noted in your default project s Design Report Figure 18 Design Report Window 9 5 2 Verify Locked Mode Operation Assuming you connect the correct input clocks to the EVB as noted in the Design Report shown above the DUT on your EVB will be running in locked mode ...

Page 13: ...guration To modify the default configuration using the CBPro Wizard click on Edit Configuration with Wizard Figure 19 Edit Configuration with Wizard You will now be taken to the Wizard s step by step menus to allow you to change any of the default plan s operating configurations Figure 20 Design Wizard ...

Page 14: ...date the DUT to reconfigure your device real time The Design Write status window will appear each time you make a change Figure 21 Writing Design Status 9 7 Workflow Scenario 3 Testing a User Created Device Configuration To test a previously created user configuration open the CBPro Wizard by clicking on the icon on your desktop and then selecting Open Design Project File Figure 22 Open Design Pro...

Page 15: ...rowse to Project File Select Yes when the WRITE DESIGN to EVB popup appears Figure 24 Write Design to EVB Dialog The progress bar will be launched Once the new design project file has been written to the device verify the presence and frequencies of your output clocks and other operating configurations using external instrumentation ...

Page 16: ...ssor You can also export your configuration to a file format suitable for in system programming by selecting Export as shown below Figure 25 Export Register Map File You can now write your device s complete configuration to file formats suitable for in system programming Figure 26 Export Settings ...

Page 17: ...ow Refer to the Si534x 8x Family Reference Manuals and device data sheets for information on how to write a configuration to the EVB DUT s non volatile memory OTP The OTP can be programmed a maximum of two times only Care must be taken to ensure the configuration desired is valid when choosing to write to OTP 11 Si5341 EVB Schematic and Bill of Materials BOM The Si5341 EVB Schematic and Bill of Ma...

Page 18: ...th which if it fails can be reasonably expected to result in significant personal injury or death Silicon Laboratories products are generally not intended for military applications Silicon Laboratories products shall under no circumstances be used in weapons of mass destruction including but not limited to nuclear biological or chemical weapons or missiles capable of delivering such weapons Tradem...