SiTime SiT95210 User Manual
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SiTime SiT95210 User Manual

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Table of Contents

1
Introduction ......................................................................................................................................................................... 2
2
Features .............................................................................................................................................................................. 2
3
Top Level Block Diagram .................................................................................................................................................... 2
3.1. EVB Starter Guide ................................................................................................................................................... 3
4
Jumper Default List ............................................................................................................................................................. 5
5
Status LEDs ........................................................................................................................................................................ 5
6
I2C/SPI On Board/External Configuration ........................................................................................................................... 5
7
SiT95210 EVK Board Power Supply Connection Details .................................................................................................... 6
7.1. VDDIN and VDDOX Supply Regulator..................................................................................................................... 6
7.2. VDD Supply Regulator ............................................................................................................................................. 7
7.3. GPIO_VDD Supply Regulator .................................................................................................................................. 8
8
External Clock Reference Input (X1/X2) .............................................................................................................................. 9
9
Input Clock Circuitry (INx_P/INx_N) .................................................................................................................................. 10
10
Output Clock Circuitry (OUTxP/OUTxN) ........................................................................................................................... 11
11
GPIO Configuration ........................................................................................................................................................... 12
12
EEPROM Configuration .................................................................................................................................................... 12
13
MSP430 Programming Instructions ................................................................................................................................... 13
14
SiTime Clock GUI Installation and EVB Configuration ...................................................................................................... 16
SiT95210EB User Manual | Rev 0.5
SiT95210 Evaluation Board (EVB) HW
User Manual
Page 1 of 17
www.sitime.com

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Summary of Contents for SiTime SiT95210

  • Page 1: Table Of Contents

    Jumper Default List ................................5 Status LEDs ..................................5 I2C/SPI On Board/External Configuration ........................... 5 SiT95210 EVK Board Power Supply Connection Details ....................6 7.1. VDDIN and VDDOX Supply Regulator........................6 7.2. VDD Supply Regulator ............................. 7 7.3. GPIO_VDD Supply Regulator ..........................8 External Clock Reference Input (X1/X2) ..........................

  • Page 2: Introduction

    SiT95210 Evaluation Board (EVB) HW User Manual 1 Introduction The SiT95210 Evaluation Board is designed for evaluating the SiT95210 Quad PLL Frequency Translator, Jitter Cleaner. Figure 1. SiT95210 EVK Board 2 Features Support SiT95210 part Outputs having Wide frequency support Differential Output from 0.5 Hz to 2.94912 GHz...

  • Page 3: Evb Starter Guide

    SiT95210 Evaluation Board (EVB) HW User Manual Below is the Top Level Block Diagram for SiT95210 EVK. The Evaluation board can be connected to a PC via the MAIN USB Connector for programming, control and monitoring. The on board MSP430 MCU is used for I C/SPI communication from SiT95210 using SiTime Clock GUI.
  • Page 4 The default Jumper configuration is already done on the EVK board (Refer to Table 1). Launch the SiTime Clock GUI Software. (Refer to SiTime Clock GUI User Guide for more information). Default Output Driver Configuration is LVDS and Output Driver Supplies are configured to 3.3 V.

  • Page 5: Jumper Default List

    Figure 4. Status LEDs C/SPI On Board/External Configuration The SiT95210 chip can be configured to communicate with I C and SPI 4 Wire with SiTime SiT95210 Clock GUI. The default EVK configuration will enable the I C communication with the chip.

  • Page 6: Sit95210 Evk Board Power Supply Connection Details

    There is a provision for connecting external supplies after bypassing the on board regulators for all the supplies. Please refer to SiT95210 datasheet for configuring the supply voltages on the various Power Supply rails. 7.1. VDDIN and VDDOX Supply Regulator Figure 5.

  • Page 7: Vdd Supply Regulator

    SiT95210 Evaluation Board (EVB) HW User Manual 7.2. VDD Supply Regulator Figure 6. Supply Regulator for VDD Supply Note: For changing the VDD (for ex- J72) Supply, connect the Jumper to below settings: 1. 3.3 V - Connect the 3-Pin Jumper from 2 to 3.

  • Page 8: Gpio_Vdd Supply Regulator

    GPIO_VDD is configured to 1.8 V Based on SiT95210 GUI configuration, VDDIO supply (Internal supply for IO rail) can be configured to follow either VDD(1.8V) or VDDIN(3.3V). When VDDIO supply is configured to follow VDDIN(3.3V), GPIO_VDD supply jumper J40 needs to be changed from open to 1-2.

  • Page 9: External Clock Reference Input (X1/X2)

    SiT95210 Evaluation Board (EVB) HW User Manual 8 External Clock Reference Input (X1/X2) The SiT95210 EVB has the SiT30100 oscillator (Y4) soldered for providing a stable reference clock to SiT95210. The EVB can also connect to an external reference clock using the SMA connector(J15).

  • Page 10: Input Clock Circuitry (Inx_P/Inx_N)

    SiT95210 Evaluation Board (EVB) HW User Manual 9 Input Clock Circuitry (INx_P/INx_N) The SiT95210 EVB has 4 Differential Inputs and 8 Single Ended Inputs (IN0P/IN0N, IN1P/IN1N, IN2P/IN2N, IN3P/IN3N) for receiving the external clock input signals. The input clock termination arrangement is shown in Figure 9.

  • Page 11: Output Clock Circuitry (Outxp/Outxn)

    SiT95210 Evaluation Board (EVB) HW User Manual 10 Output Clock Circuitry (OUTxP/OUTxN) The SiT95210 EVK has 2 differential Outputs which are AC coupled by default to its respective SMA connector. The Output Clock Termination is shown in Figure 10. In case DC coupling is required, the AC coupling capacitors can be replaced by a 0 ohm resistor.

  • Page 12: Gpio Configuration

    The GPIO’s on the chip are by default configured by the on board MSP430 and can be used to set the status as High or Low by using the GUI Console(Refer to SiTime SiT95210 Clock GUI User Guide). The GPIO status when configured from the chip can also be read back using the MSP430 in the default EVK configuration.

  • Page 13: Msp430 Programming Instructions

    SiT95210 Evaluation Board (EVB) HW User Manual 13 MSP430 Programming Instructions The SiT95210 EVK uses the MSP430 to communicate to the chip via I C/SPI and is also used to configure/read the FLEXIO status of the chip. The MSP430 firmware is also version controlled and flashed to the MSP430 to handle multiple functions on the EVK.
  • Page 14 SiT95210 Evaluation Board (EVB) HW User Manual Reset the MCU and Rescan HID Bus in case the device(MSP430) is not detected as shown: If the device(MSP430) is in Programming mode, then it shows as ready as shown below: Go to File-> Open User Firmware option. Open the location where the firmware file is placed.
  • Page 15 SiT95210 Evaluation Board (EVB) HW User Manual Browse to the firmware path and select the file. SiT95210EB User Manual | Rev 0.5 Page 15 of 17 www.sitime.com...

  • Page 16: Sitime Clock Gui Installation And Evb Configuration

    10) Select the firmware. The tool should load the firmware into the MCU and and show a completion message as shown: 14 SiTime Clock GUI Installation and EVB Configuration SiTime SiT95210 Clock GUI provides an easy interface to verify the performance of chip in the lab. The GUI uses the MSP430 microcontroller for the USB to I C/SPI communication on the board, the MSP430 MCU related software drivers are also configured while installing the GUI.
  • Page 17 © SiTime Corporation February 2024.The information contained herein is subject to change at any time without notice. SiTime assumes no responsibility or liabili ty for any loss, damage or defect of a Product which is caused in whole or in part by (i) use of any circuitry other than circuitry embodied in a SiTime product, (ii) misuse or abuse including static discharge, neglect or accident, (iii) unauthorized modification or repairs which have been soldered or altered during assembly and are not capable of being tested by SiTime under its normal test conditions, or (iv) improper installation, storage, handling, warehousing or transportation, or (v) being subjected to unusual physical, thermal, or electrical stress.

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