SNAU287 November   2023

 

  1.   1
  2.   Description
  3.   Features
  4.   4
  5. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
  6. 2Hardware
    1. 2.1 Evaluation Setup Requirement
    2. 2.2 Configuring the EVM
      1. 2.2.1 Configuring the Power Supply
      2. 2.2.2 Configuring the Control Pins
      3. 2.2.3 Configuring the Clock Outputs
      4. 2.2.4 Using the USB Interface Connection
      5. 2.2.5 EVM Quick Start Guide
    3. 2.3 Modes of Operation
  7. 3Software
    1. 3.1 Using TICS Pro with the LMK3H0102EVM
      1. 3.1.1 Using the LMK3H0102 Wizard
        1. 3.1.1.1 Frequency Plan
        2. 3.1.1.2 Output Formats
        3. 3.1.1.3 Output Enable Pin
        4. 3.1.1.4 OTP Options
        5. 3.1.1.5 Review
        6. 3.1.1.6 Design Report
      2. 3.1.2 Live Debugger
        1. 3.1.2.1 FODs
        2. 3.1.2.2 Outputs
        3. 3.1.2.3 Others
      3. 3.1.3 Programming
        1. 3.1.3.1 Registers
        2. 3.1.3.2 OTP Configuration
      4. 3.1.4 Help
        1. 3.1.4.1 Contact TI
    2. 3.2 Using TI’s USB2ANY Module for In-System Programming of the LMK3H0102
      1. 3.2.1 USB2ANY Board Connections
      2. 3.2.2 Ordering a USB2ANY Module
  8. 4Hardware Design Files
    1. 4.1 Schematics
    2. 4.2 PCB Layout
    3. 4.3 Bill of Materials
  9. 5Additional Information
    1.     Trademarks
  10. 6Related Documentation

2.3 Modes of Operation

The LMK3H0102 can be configured to start-up in one of two modes upon power-on/reset (POR). The mode of operation and associated control pins determine which on-chip memory type and memory page settings are used to initialize the active registers for configuring the Fractional Output Dividers (FODs), Output, and Device Control blocks for full operation:

  1. I2C Mode (EVM default): Loads all registers with the settings stored on OTP Page 0, defined in Table 3-4. The I2C interface is available in this mode for configuring the device registers as desired.

  2. OTP Mode: Loads all registers from one of the four OTP page settings defined in Table 3-4. All four pages are "hard-coded" with predefined register settings by TI and cannot be overwritten. The I2C interface is not available in this mode.

Once the LMK3H0102 starts up in I2C mode, the I2C interface is enabled to provide (optional) access to all device registers for full control of the LMK3H0102 settings. For convenience, a USB-to-I2C interface is integrated on-board and can be controlled by TICS Pro.