UG363: Si5391P-A Evaluation Board User s Guide The Si5391P-A-EVB is used for evaluating the Si5391P Any-Frequency, Any-Output, Jitter-Attenuating Clock Multiplier revision A. The device revision is distinguished by a EVB FEATURES white 1 inch x 0.187 inch label with the text SI5391P-A-EB installed in the lower left hand corner of the board. (For ordering purposes only, the terms EB and EVB refer Powered from USB port or external power to the board and the kit respectively. For the purpose of this document, the terms are supply. synonymous in context.) Onboard 48 MHz XTAL allows free-run mode of operation on the Si5391P. ClockBuilder Pro (CBPro) GUI programmable VDD supply allows device to operate from 3.3, 2.5, or 1.8 V . CBPro GUI programmable VDDO supplies allow each of the 10 outputs to have its own power supply voltage selectable from 3.3, 2.5, or 1.8 V. CBPro GUI-controlled voltage, current, and power measurements of VDD and all VDDO supplies. Status LEDs for power supplies and control/status signals of Si5391P. SMA connectors for input and output clocks. Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 1 Rev. 0.2 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice July 26, 2021 1UG363: Si5391P-A Evaluation Board User s Guide Functional Block Diagram 1. Functional Block Diagram Below is a functional block diagram of the Si5391P-A-EB. This evaluation board 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 ClockBuilder Pro Desktop Software for more information. Figure 1.1. Si5391P-A EB Functional Block Diagram Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 2 Rev. 0.2 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice July 26, 2021 2