SNAU299 January   2024 LMX1214

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1  Evaluation Setup Requirement
    2. 2.2  Connection Diagram
    3. 2.3  Power Requirements
    4. 2.4  How to Enable Full SPI Control
    5. 2.5  Reference Clock
    6. 2.6  Output Connections
    7. 2.7  Switch Information
    8. 2.8  Default Configuration
    9. 2.9  Divider Mode Example
    10. 2.10 Hybrid Mode: SPI and Pin Mode
  8. 3Software
    1. 3.1 Software Installation
    2. 3.2 Software Description
    3. 3.3 USB2ANY Interface
  9. 4Implementation Results
    1. 4.1 Evaluation Setup
      1. 4.1.1 Buffer and Divider Mode
  10. 5Hardware Design Files
    1. 5.1 Schematic
    2. 5.2 PCB Layout
      1. 5.2.1 PCB Layer Stack-Up
    3. 5.3 Bill of Materials
  11. 6Additional Information
    1. 6.1 Troubleshooting Guide
      1. 6.1.1 General Guidance
      2. 6.1.2 If Output Is Not Seen on CLKOUT
      3. 6.1.3 If Device Features Are Not Active
      4. 6.1.4 If Divider Frequency Is Not Accurate
    2. 6.2 Trademarks

6.1.3 If Device Features Are Not Active

  • Confirm the USB cable is connected to the EVM.
  • Confirm the connection mode is SPI and the USB2ANY interface is indicated in green on the bottom bar in TICSpro.
  • If multiple USB2ANY boards are connected, then confirm the correct USB2ANY is connected from USB Communications → Interface pop-up using the Identify button.
  • Make sure all registers have been loaded (Ctrl+L), and that the device current has changed proportional to the number of functional blocks enabled in the device.
  • If a communication issue with the device is suspected, then try toggling the POWERDOWN bit from the User Controls page and observe the EVM current. Note that the first write to R0 after POR is ignored. If the EVM current does not drop to about 33mA after POWERDOWN is set, then a communication issue can be preventing programming, or the IC can be damaged.