SLAU802 March   2019

 

  1.   MSP430FR2476 LaunchPad™ Development Kit (LP‑MSP430FR2476)
    1.     Trademarks
    2. 1 Getting Started
      1. 1.1 Introduction
      2. 1.2 Key Features
      3. 1.3 What’s Included
        1. 1.3.1 Kit Contents
        2. 1.3.2 Software Examples
      4. 1.4 First Steps: Out-of-Box Experience
        1. 1.4.1 Connecting to the Computer
        2. 1.4.2 Running the Out-of-Box Experience (OOBE)
      5. 1.5 Next Steps: Looking Into the Provided Code
    3. 2 Hardware
      1. 2.1 Block Diagram
      2. 2.2 Hardware Features
        1. 2.2.1 MSP430FR2476 MCU
        2. 2.2.2 eZ-FET Onboard Debug Probe With EnergyTrace™ Technology
        3. 2.2.3 Debug Probe Connection: Isolation Jumper Block
        4. 2.2.4 Application (or Backchannel) UART
        5. 2.2.5 Special Features
          1. 2.2.5.1 TMP235 Temperature Sensor
          2. 2.2.5.2 CR2032 Coin Cell Battery
      3. 2.3 Power
        1. 2.3.1 eZ-FET USB Power
        2. 2.3.2 CR2032 Battery Power
        3. 2.3.3 BoosterPack Plug-in Module and External Power Supply
      4. 2.4 Measure Current Draw of the MSP430 MCU
      5. 2.5 Clocking
      6. 2.6 Using the eZ-FET Debug Probe With a Different Target
      7. 2.7 BoosterPack Plug-in Module Pinout
      8. 2.8 Design Files
        1. 2.8.1 Hardware
        2. 2.8.2 Software
      9. 2.9 Hardware Change Log
    4. 3 Software Examples
      1. 3.1 Out-of-Box Software Example
        1. 3.1.1 Source File Structure
        2. 3.1.2 Overview
      2. 3.2 Blink LED Example
        1. 3.2.1 Source File Structure
    5. 4 Resources
      1. 4.1 Integrated Development Environments
        1. 4.1.1 TI Cloud Development Tools
          1. 4.1.1.1 TI Resource Explorer Cloud
          2. 4.1.1.2 Code Composer Studio Cloud
        2. 4.1.2 Code Composer Studio IDE
        3. 4.1.3 IAR Embedded Workbench for MSP430 IDE
      2. 4.2 LaunchPad Development Kit Websites
      3. 4.3 MSP430Ware and TI Resource Explorer
      4. 4.4 FRAM Utilities
        1. 4.4.1 Compute Through Power Loss
        2. 4.4.2 Nonvolatile Storage (NVS)
      5. 4.5 MSP430FR2476 MCU
        1. 4.5.1 Device Documentation
        2. 4.5.2 MSP430FR2476 Code Examples
        3. 4.5.3 MSP430 Application Notes and TI Designs
      6. 4.6 Community Resources
        1. 4.6.1 TI E2E Community
        2. 4.6.2 Community at Large
    6. 5 FAQ
    7. 6 Schematics

2.5 Clocking

The LP-MSP430FR2476 provides an external clock in addition to the internal clocks in the device.

  • Q1: 32.768-kHz 12.5-pF crystal

The 32.768-kHz crystal allows for lower LPM sleep currents than do the other low-frequency clock sources. Therefore, the presence of the crystal allows the full range of low-power modes to be used.

The internal clocks in the device default to the following configuration:

  • MCLK: DCO at 1 MHz
  • SMCLK: DCO at 1 MHz
  • ACLK: REFO at 32.768 kHz

For more information about configuring internal clocks and using the external oscillators, see the MSP430FR4xx and MSP430FR2xx Family User's Guide.