Renesas FemtoClock 2 User Manual
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Renesas FemtoClock 2 User Manual

Renesas FemtoClock 2 User Manual

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FemtoClock
2 GUI User Guide
This guide assists those using the Renesas IC Toolbox software to configure and control a FemtoClock2 device.
This includes (but is not limited to) the
Contents
1.
Installation and Setup .................................................................................................................................. 2
2.
Loading and Creating Configurations ........................................................................................................ 2
2.1
Creating a New Configuration ............................................................................................................... 2
2.2
Loading a Settings File ......................................................................................................................... 3
3.
Wizard Setup ................................................................................................................................................. 4
3.1
Inputs .................................................................................................................................................... 5
3.2
DPLL..................................................................................................................................................... 6
3.3
Outputs ................................................................................................................................................. 7
4.
Side Panel Buttons ....................................................................................................................................... 8
5.
Control Panel View ....................................................................................................................................... 8
6.
Configuration View ....................................................................................................................................... 9
7.
Register View .............................................................................................................................................. 10
8.
Block Diagram View ................................................................................................................................... 10
8.1
OSC Block .......................................................................................................................................... 11
8.2
Inputs Block ........................................................................................................................................ 11
8.3
APLL Block ......................................................................................................................................... 12
8.4
DPLL Block ......................................................................................................................................... 13
8.5
Outputs Block ..................................................................................................................................... 14
8.6
Device Info .......................................................................................................................................... 15
8.7
GPIO Block ......................................................................................................................................... 15
9.
Device Connection ..................................................................................................................................... 16
10. Errors and Warnings .................................................................................................................................. 16
11. Common Configurable Settings ................................................................................................................ 17
11.1 Changing the I2C Device Address ...................................................................................................... 17
11.2 Disabling the Internal Input and Output Terminations ......................................................................... 17
11.2.1. Disabling Input Terminations ................................................................................................ 17
11.2.2. Disabling the Output Terminations ....................................................................................... 18
11.3 Configuring the Device for Write Frequency Mode ............................................................................. 18
12. Revision History ......................................................................................................................................... 19
R31US0004EU0100 Rev.1.0
Apr 22, 2021
RC22504
and
RC32504
devices.
© 2021 Renesas Electronics
User Guide
Page 1

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Summary of Contents for Renesas FemtoClock 2

  • Page 1: Table Of Contents

    User Guide ® FemtoClock 2 GUI User Guide This guide assists those using the Renesas IC Toolbox software to configure and control a FemtoClock2 device. This includes (but is not limited to) the RC22504 RC32504 devices. Contents Installation and Setup ..........................2 Loading and Creating Configurations ......................

  • Page 2: Installation And Setup

    FemtoClock®2 Evaluation Kit page. Each device that is compatible with the Renesas IC Toolbox software has its own individual installer. This is a convenient executable file that installs to a computer that already has the Renesas IC Toolbox software. The FemtoClock2 installer can be located on the FemtoClock®2 Evaluation Kit...

  • Page 3: Loading A Settings File

    Renesas IC Toolbox software. This will take the user to a file browser. Note: Recently used settings files are under the “Recent Files” section. Navigate to the directory that stores the settings file and select it. Renesas IC Toolbox settings files have the file type ‘.rbs’.

  • Page 4: Wizard Setup

    FemtoClock®2 GUI User Guide 3. Wizard Setup When creating a new configuration, the wizard page will be the first thing seen. For FemtoClock2 devices, there are three separate wizard pages: Inputs, DPLL, and Outputs. Each section pertains to a different portion of the device that needs to be configured for proper functionality.

  • Page 5: Inputs

    FemtoClock®2 GUI User Guide Inputs There are two sections to make note of when configuring the inputs: Crystal and CLKIN. The Crystal section is used when creating a configuration that is either in synthesizer mode and uses a clock at the XIN pin, or in any Jitter Attenuator mode.

  • Page 6: Dpll

    FemtoClock®2 GUI User Guide DPLL If the device is configured for jitter attenuator mode, the DPLL section will become available. The DPLL section allows users to manually adjust bandwidth, decimator, gain peaking, and phase slope limit values. Alternatively, the user can select a predefined SyncE profile that will automatically populate the adjustable settings. Descriptions of each section and the SyncE profiles are on the right of the page.

  • Page 7: Outputs

    FemtoClock®2 GUI User Guide Outputs The outputs section allows users to set output frequencies and adjust the overall VCO frequency. Outputs can be further configured by clicking on the symbol next to the output field. This will give the user the ability to enable/disable the output, select the output type, and adjust the signal settings.

  • Page 8: Side Panel Buttons

    FemtoClock®2 GUI User Guide 4. Side Panel Buttons The side panel consists of five separate buttons. Each button takes the user to a separate page. Each page has a unique view, allowing users to configure the device from different perspectives. ■...

  • Page 9: Configuration View

    FemtoClock®2 GUI User Guide 6. Configuration View Configuration view allows the user to easily move through register settings via the tabs at the top of the page. Each section has all of the critical registers and data fields listed to allow the user to configure the device block. The search tab gives the user access to the configurable fields through a search bar.

  • Page 10: Register View

    FemtoClock®2 GUI User Guide 7. Register View The register view shows a graphical diagram of the registers and allows the user to read or write any of the individual registers. By clicking on the individual register block, the given registers for that block will appear to the right.

  • Page 11: Osc Block

    FemtoClock®2 GUI User Guide OSC Block Clicking on the OSC block gives access to the settings that configure the Xin frequency and internal tuning capacitors. Inputs Block Clicking on the Inputs block allows the control of the input signal type selection, input terminations, and CLKIN frequency.

  • Page 12: Apll Block

    FemtoClock®2 GUI User Guide APLL Block Clicking on the APLL block allows users to configure the input mux, charge pump settings, and internal low pass filter settings. Users can also change the VCO frequency and LDO voltage from here. R31US0004EU0100 Rev.1.0 Page 12 Apr 22, 2021...

  • Page 13: Dpll Block

    FemtoClock®2 GUI User Guide DPLL Block The DPLL block is only accessible when the device operation mode is set to “Jitter Attenuator”. This block contains all features pertaining to the DPLL. Clicking on the DPLL block allows the user to enable reveritive or hitless switching, adjust the phase offset, and even change the digital loop filter settings.

  • Page 14: Outputs Block

    FemtoClock®2 GUI User Guide Outputs Block Each output can be configured on the main block diagram. However to reach more adjustable settings, click on the advanced button. R31US0004EU0100 Rev.1.0 Page 14 Apr 22, 2021...

  • Page 15: Device Info

    FemtoClock®2 GUI User Guide Device Info The Device Info button opens a window that contains the Vendor ID, Device ID, Rev ID, and Dash Code. GPIO Block Clicking on the GPIO block allows users to configure the output enable pin, internal SDA and SCL pull-ups, and the lock detection.

  • Page 16: Device Connection

    FemtoClock®2 GUI User Guide 9. Device Connection Device connection can be done through the bottom right corner of every page. To connect one of the Renesas evaluation boards, ensure the device is powered and connected to the working computer. Then, click the Not Connected button in the corner of the screen.

  • Page 17: Common Configurable Settings

    FemtoClock®2 GUI User Guide 11. Common Configurable Settings 11.1 Changing the I2C Device Address 1. Enter the configuration view. 2. Type “I2C” into the search bar. 3. Change the ‘TOP.SSI.I2C_ADDR_CNFG.i2c_addr’ setting to the desired address. 11.2 Disabling the Internal Input and Output Terminations 11.2.1.

  • Page 18: Disabling The Output Terminations

    FemtoClock®2 GUI User Guide 11.2.2. Disabling the Output Terminations 1. Go to the block diagram view. 2. Click the advanced button under the desired output. 3. Enable the HCSL terminations through the check box under the “HCSL” header. 11.3 Configuring the Device for Write Frequency Mode 1.

  • Page 19: Revision History

    FemtoClock®2 GUI User Guide 12. Revision History Revision Date Description Apr 22, 2021 Initial release. R31US0004EU0100 Rev.1.0 Page 19 Apr 22, 2021...
  • Page 20 Renesas' products are provided only subject to Renesas' Terms and Conditions of Sale or other applicable terms agreed to in writing. No use of any Renesas resources expands or otherwise alters any applicable warranties or warranty disclaimers for these products.

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