Stellaris LM3S Microcontroller
Application Notes PDF, 1.7 Mb, Revision: A, File published: Aug 15, 2012
Protection of code and IP in a microcontroller's Flash memory has always been an important consideration for the system designers. StellarisВ® microcontrollers feature a code protection mechanism that enables developers to protect their code and IP in the end application, while providing the flexibility to upgrade the firmware using a boot loader. This application report describes using Flash p
Application Notes PDF, 113 Kb, Revision: B, File published: Jan 8, 2010
This application note describes the following four encryption methods used with AES: Electronic code book (ECB), cipher block chaining (CBC) or chained encryption, cipher feedback (CFB), and counter (CTR). These methods are described in more detail to help you select the appropriate method(s) for your application. The encryption package described in this application note is available with full sou
Application Notes PDF, 116 Kb, Revision: A, File published: Jul 8, 2013
This application report provides a brief overview of the Device Firmware Upgrade (DFU) class, describes the Stellaris implementation in the USB boot loader (boot_usb) application, and also describes the hostside lmdfu dynamic link library for Windows. Use of the standard USB DFU class on Stellaris USBenabled microcontrollers offers a convenient and fast method of replacing main application image
Application Notes PDF, 95 Kb, File published: Jul 7, 2009
This application note provides three methods for erasing and programming Flash memory: the StellarisWare Peripheral DriverLib, software polling for completed updates, and interrupt-driven updates.
Application Notes PDF, 278 Kb, Revision: B, File published: Feb 4, 2013
Application Notes PDF, 170 Kb, File published: Jul 7, 2009
This application note describes ADC sampling and configuring Stellaris microcontrollers through the StellarisWare Peripheral Driver Library or through direct writes to the device's control registers.
Application Notes PDF, 1.4 Mb, Revision: A, File published: Nov 19, 2012
This document provides a brief overview of the Texas InstrumentsвЂ™ SYS/BIOS Real-Time Operating System (RTOS) and outlines how to implement SYS/BIOS on the StellarisВ® Cortexв„ў-M3 family of microcontrollers. In addition to setting up and running an example project provided within the SYS/BIOS software package, this document outlines the process of creating a new SYS/BIOS project with the Code Compose
Application Notes PDF, 162 Kb, Revision: E, File published: Sep 24, 2013
is document addresses design items to be aware of when migrating working designs among Fury-, DustDevil-, Tempest-, and Firestorm-StellarisВ® microcontrollers (MCUs) and Tivaв„ў C Series TM4C123x-class MCUs. Topics covered include both software and hardware issues as well as feature changes and enhancements. All software issues are comprehended in the Driver Library APIs. As a result, syste
Application Notes PDF, 172 Kb, Revision: C, File published: Nov 6, 2013
Many members of the StellarisВ® family of microcontrollers provide system designers with a great deal of control over the placement and selection of peripheral module signals that are alternate functions for GPIO signals. This application note provides an overview of the pin muxing implementation, an explanation of how a system designer defines a pin configuration, and examples of the pin confi
Application Notes PDF, 120 Kb, File published: Jul 7, 2009
This application note describes how to communicate with the Stellaris serial flash loader application.
Application Notes PDF, 3.9 Mb, File published: Jul 7, 2009
This application note describes the USB-IF certification process for a USB full-speed device and a USB full-speed embedded host system using the a Stellaris LM3S5732 microcontroller as the example.
Application Notes PDF, 301 Kb, File published: Jul 7, 2009
This application note describes how to extend the functionality of the standard hardware UART available on StellarisВ® microcontrollers by using the 9-bit UART add-on.
Application Notes PDF, 161 Kb, File published: Jul 7, 2009
This application note provides a summary of factors that affect code performance and size for StellarisВ® microcontrollers and suggestions to improve code performance and size including example code.
Application Notes PDF, 127 Kb, Revision: C, File published: Nov 1, 2012
This application report describes a method for improving the absolute accuracy of the analog-to-digital converters (ADCs) found on StellarisВ® LM3S microcontrollers. Due to inherent gain and offset errors, the absolute accuracy of the ADC is affected. The methods described in this application report can improve the absolute accuracy of the ADC results.
Application Notes PDF, 91 Kb, File published: Jul 7, 2009
This application note describes how to emulate EEPROM using the internal Flash memory and provides an example application that uses EEPROM emulation drivers.
Application Notes PDF, 77 Kb, File published: Jul 7, 2009
This application note looks at implementing a software-based UART which, using general-purpose input/outputs (GPIO), allows the user to overcome hardware limitations or lack of dedicated peripherals.
Application Notes PDF, 95 Kb, Revision: A, File published: Jan 8, 2013
Some members of the Stellaris microcontroller family have an analog-to-digital converter (ADC) module. The hardware resolution of the ADC is 10 bits; however, due to noise and other accuracy diminishing factors, the true accuracy is less than 10 bits. This application report provides a software-based oversampling technique, resulting in an improved effective number of bits (ENOB) in the conversion
Application Notes PDF, 74 Kb, File published: Jul 7, 2009
This application note describes how to implement flow control by using the Stellaris GPIO module with its interrupt support.