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4. Status LEDs

Table 4.1. Si5372 EVB Status LEDs

Location

Silkscreen

Color

Status Function Indication

INTRB

Blue

DUT Interrupt

LOLB

Blue

DUT Loss of Lock

LOSXAXBB

Blue

DUT Loss of Reference

D11

+5V MAIN

Green

Main USB +5 V present

D12

READY

Green

MCU Ready

D13

BUSY

Green

MCU Busy

D11 is illuminated when USB +5 V supply voltage is present. D12 and D13 are status LEDs showing on-board MCU activity.

Figure 4.1. Status LEDs

UG372: Si5372 Evaluation Board User’s Guide

Status LEDs

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Summary of Contents for Si5372

Page 1: ...d EVB refer to the board and the kit respectively For the purpose of this document the terms are synonymous in context The device The Si5372 EVB has two independent input clocks and four independent o...

Page 2: ...ermination OUT_3 OUT_3B Output Termination 48 MHz XTAL Input Termination Input Termination XA XB IN_0 IN_0B IN_1 IN_1B Power Supply C8051F380 MCU Peripherals I2C SPI Bus VDDO_0 VDD_Core VDD_3 3 VDDO_1...

Page 3: ...USB cable from the Si5372 EVB to the PC where the software is installed 3 Leave the jumpers as installed from the factory and launch the ClockBuilderPro software 4 You can use ClockBuilderPro to crea...

Page 4: ...o 2 JP18 2 pin O JP6 2 pin O JP19 2 pin O JP7 2 pin O JP20 3 pin all open JP8 2 pin O JP21 3 pin all open JP9 2 pin O JP22 2 pin O JP10 2 pin O JP23 2 pin O JP11 2 pin O JP24 3 pin all open JP12 2 pin...

Page 5: ...XBB Blue DUT Loss of Reference D11 5V MAIN Green Main USB 5 V present D12 READY Green MCU Ready D13 BUSY Green MCU Busy D11 is illuminated when USB 5 V supply voltage is present D12 and D13 are status...

Page 6: ...ate the device with a REFCLK C93 and C94 must be populated and the XTAL removed see the figure below The REFCLK can then be applied to J25 and J26 In the case of the Si5372J A which is the grade with...

Page 7: ...rminated This represents four differential input clock pairs Single ended clocks can be used by appropriately driving one side of the differential pair with a single ended clock See the Si5372 data sh...

Page 8: ...eplaced with a resistor of appropriate value The Si5372 EVB provides pads for optional output termination resistors and or low frequency capacitors Note Components with schematic NI designation are no...

Page 9: ...p www silabs com CBPro and download the ClockBuilder Pro software Installation instructions and User s Guide for ClockBuilder Pro can be found at the download link shown above UG372 Si5372 Evaluation...

Page 10: ...ClockBuilderPro software is installed connect the software to the EVB with a USB cable as shown in the figure below Figure 9 1 EVB Connection Diagram UG372 Si5372 Evaluation Board User s Guide Using S...

Page 11: ...d the EVB GUI Figure 9 2 Application 1 ClockBuilderPro Wizard Use the CBPro Wizard to do the following Create a new design Review or edit an existing design Export create in system programming Convert...

Page 12: ...using CBPro and the Si5372 EVB These workflow scenarios are as follows Workflow Scenario 1 Testing a Silicon Labs created Default Configuration Workflow Scenario 2 Modifying the Default Silicon Labs...

Page 13: ...PC s desktop Figure 9 4 ClockBuilderPro Desktop Icon 2 When the EVB is detected select the Open Default Plan button on the Wizard s main menu CBPro automatically detects the EVB and device type Figur...

Page 14: ...onfig ured per the Silicon Labs default plan for the DUT type mounted on the EVB Figure 9 7 Writing Design Status 5 After CBPro writes the default plan to the EVB select Open EVB GUI Figure 9 8 Open E...

Page 15: ...e values defined in the device s default CBPro project file created by Silicon Labs as shown in the figure below Figure 9 9 EVB GUI Window UG372 Si5372 Evaluation Board User s Guide Using Si5372 EVB s...

Page 16: ...you do this to reload the Silicon Labs created default plan into the DUT s register space you must go back to the Wizard s main menu and select Write Design to EVB Figure 9 10 Write Design to EVB Fail...

Page 17: ...in a new window as shown in the figure below Compare the observed output clocks to the frequencies and formats noted in your default project s Design Report UG372 Si5372 Evaluation Board User s Guide...

Page 18: ...n 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 UG372 Si5372 Evaluation Board User s Guide Using...

Page 19: ...e Configuration 1 To modify the default configuration using the CBPro Wizard select Edit Configuration with Wizard Figure 9 13 Edit Configuration with Wizard UG372 Si5372 Evaluation Board User s Guide...

Page 20: ...left hand of the menu to confirm that your frequency plan is valid After making your desired changes you can click on Write to EVB to update the DUT to reconfigure your device in real time The Design...

Page 21: ...previously created user configuration open the CBPro Wizard by clicking the icon on your desktop and then selecting Open Project Figure 9 16 Open Design Project File UG372 Si5372 Evaluation Board User...

Page 22: ...n file slabtimeproj or sitproj file design file in the Windows file browser Figure 9 17 Browse to Project File UG372 Si5372 Evaluation Board User s Guide Using Si5372 EVB silabs com Building a more co...

Page 23: ...is 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 24: ...sting Si5344H 42H CBPro project that you would like to convert to Si5372 71 click on Convert Existing Project NVM File Figure 9 19 Convert Existing Project UG372 Si5372 Evaluation Board User s Guide U...

Page 25: ...2 Select Si5344H CBPro Project Si5372 Project for example Figure 9 20 Select Project UG372 Si5372 Evaluation Board User s Guide Using Si5372 EVB silabs com Building a more connected world Rev 1 0 25...

Page 26: ...on Select CBPro Project 4 You have now successfully converted a Si5344H project to Si5372 project Write that to the device or keep making edits UG372 Si5372 Evaluation Board User s Guide Using Si5372...

Page 27: ...table for in system programming by selecting Export as shown in the figure below Figure 9 22 Export Register Map File You can now write your device s complete configuration to file formats suitable fo...

Page 28: ...Figure 9 23 Export Settings UG372 Si5372 Evaluation Board User s Guide Using Si5372 EVB silabs com Building a more connected world Rev 1 0 28...

Page 29: ...imited number of times Writing to OTP is limited as described below Refer to the Si534x 8x Family Reference Manuals and device datasheets for information on how to write a configuration to the EVB DUT...

Page 30: ...xternal controller is desired the shunts in J17 can be removed thereby isolating the on board MCU from the Si5372 device The shunt at JP1 I2C_SEL must also be removed to select I2C as Si5372 interface...

Page 31: ...e following configurations as described in the table below The data sheet documents the different Si5372 grades Table 12 1 Evaluation Board Configurations Config Eval Board Label Si5372 Notes Grade Re...

Page 32: ...circuits The products are not designed or authorized to be used within any FDA Class III devices applications for which FDA premarket approval is required or Life Support Systems without the specific...

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