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Silicon Labs ClockBuilder Pro software should be used to prepare the register file.  Projects are included on the most reference designs.

Download: ClockBuilder Pro for SI5345

Procedure:

1. Install and start ClockBuilder
2. Open "/misc/SI5345/Si5345-RevB-0808-02A-Project.slabtimeproj"
3. Modify settings
4. Export → Register File → select C code header → save to file

Note:

• SI5345-REVB and REVD need different project
  
  • AN1006-Si534x-8x-RevB-RevD-Differences.pdf
  • Hint: With CBPro 4.3 and newer REVB is not longer selectable in case you start a new project. In this case open an existing Revision B Project and modify it.

I2C Configuration

Volatile memory

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Therefore SI Clock Builder Pro Software and Clock Builder Pro Field Programmer  are necessary.

Procedure:

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• Silicon Labs UG286: ClockBuilderPro™Field Programmer Kit
• Si5345-44-42-D-DataSheet.pdf - Data sheet
• Si5345-44-42-D-RM.pdf - Register description