TIDUEY4E
August 2022 – November 2025
1
Description
Resources
Features
Applications
6
1
System Description
1.1
Key System Specifications
2
System Overview
2.1
Block Diagram
2.2
Design Considerations
2.2.1
Building Blocks
2.2.2
Flash Partitioning
2.2.3
LFU Switchover Concepts
2.2.4
Application LFU Flow
3
Hardware, Software, Testing Requirements, and Test Results
3.1
Hardware Requirements
3.2
Software Requirements
3.2.1
Software Package Contents
3.2.2
Software Structure
3.3
Introduction to the TIDM-DC-DC-BUCK
3.4
Test Setup
3.4.1
Loading the Custom Bootloader and Application to Flash using CCS
3.5
Test Results
3.5.1
Running the LFU Demo with Control Loop Running on the CPU
3.5.2
Running the LFU Demo with Control Loop Running on the CLA
3.5.3
LFU Flow on the CPU
3.5.4
LFU Flow on the CLA
3.5.5
Limitations and Key Concerns
3.5.6
Preparing Firmware for LFU
3.5.7
LFU Compiler Support
3.5.8
Robustness
3.5.9
LFU Use-Cases
4
FOTA Example
4.1
Abstract
4.2
Introduction
4.3
Hardware Requirements
4.4
Software Requirements
4.5
Running the example
5
Design and Documentation Support
5.1
Software Files
5.2
Documentation Support
5.3
Support Resources
5.4
Trademarks
6
Terminology
7
About the Author
8
Revision History
5.2
Documentation Support
Texas Instruments,
LFU e2e FAQ
Texas Instruments,
Live Firmware Update (Without Reset) of C2000 F29x MCUs
Texas Instruments,
TMS320C28x Optimizing C/C++ Compiler User's Guide
Texas Instruments,
TMS320F28003x Real-Time Microcontrollers Technical Reference Manual
Texas Instruments,
TMS320F28004x Real-Time Microcontrollers Technical Reference Manual
Texas Instruments,
Live Firmware Update without Device Reset on
C2000™
MCUs user guide
Texas Instruments,
Live Firmware Update with Device Reset on
C2000™
MCUs User's Guide
Texas Instruments,
TIDM-DC-DC-BUCK
C2000™
Digital Power
BoosterPack™
Texas Instruments,
C2000™
Piccolo™
F28004x Series LaunchPad Development Kit
Texas Instruments,
C2000™
Piccolo™
F28003x Series LaunchPad Development Kit
Texas Instruments,
SCI Flash Kernel F28004x project in C2000Ware
Texas Instruments,
LFU LED Blinky F28004x example in C2000Ware
Texas Instruments,
TMS320C28x Optimizing C/C++ Compiler User's Guide