16-Bit Ultra-Low-Power Microcontroller, 8kB OTP, 256B RAM, 92 segment LCD 56-SSOP
PDF, 60 Kb, File published: Mar 3, 2000
This application report describes in detail the oscillator system present on the MSP430x3xx devices, including use of the digitally-controlled oscillator (DCO), the frequency locked loop (FLL), and the low-power modes.
PDF, 95 Kb, File published: Apr 23, 1999
The 16x16-bit hardware multiplier of the MSP430 family is explained in detail. Function, modes and proven application examples are given for this fast and versatile peripheral. Also shown is a comparison of the speed of solutions using this peripheral versus pure software solutions.
PDF, 59 Kb, File published: May 28, 1999
This application report describes a digital thermometer design that uses the slope ADC capabilities of the Timer Port module on the MSP430x3xx microcontrollers. This report can be used more generally as a reference on how to connect resisitve sensors and reference resistors to the Timer Port module.
PDF, 153 Kb, File published: Nov 8, 1999
The MSP430 is a 16-bit RISC-like mixed signal controller. This application report provides several experiments for the entry-level MSP-STK430x320 starter kit.
PDF, 49 Kb, File published: Apr 30, 1999
This application report describes and explains techniques for using the MSP430x325 ADC in preset and auto range modes.
PDF, 220 Kb, File published: Jun 22, 1999
This application report gives a detailed overview of several applications for the 14-bit analog-to-digital converter (ADC) of the MSP430 family. Proven software examples and basic circuitry are shown and explained. The 12-bit mode is also considered, when possible. The References section at the end of the report lists related application reports in the MSP430 14-bit ADC series.
PDF, 405 Kb, File published: Jun 21, 1999
This application report shows different linear methods to improve the accuracy of the 14-bit analog-to-digital converter (ADC) of the MSP430 family. Different correction methods are explained: some with monotonicity and some using linear regression. The methods used differ in RAM and ROM allocation, calculation speed, reachable improvement, and complexity. For all correction methods, proven, optim
PDF, 364 Kb, File published: Jun 22, 1999
This application report shows different simple methods to improve the accuracy of the 14-bit analog-to-digital converter of the MSP430 family. They all use only addition for the correction of the analog-to-digital converter characteristic. Different correction methods are explained--all without the need for multiplication--which makes them usable for real time systems like electronic electricity m
PDF, 80 Kb, File published: Dec 17, 1999
This application report describes the implementation of a hardware/software universal asynchronous receiver tranmitter (UART) function on the MSP430x31x, MSP430x32x, and MSP430x33x families of 16-bit RISC-like mixed-signal processors using the integrated 8-bit interval timer/counter (8-bit T/C). The UART function described in this report is half-duplex, event-driven, and supports an 8N1 protocol u
PDF, 328 Kb, Revision: A, File published: Jun 1, 1999
This application report describes a complete triac control system using the MSP430. An example of a triac control system is presented and analyzed. Methods for interference reduction, modification for high speed, and enhance security are explained. Alternate power supply circuits are included. A listing of triac control software available is presented in Appendixes A1 through A3.
PDF, 69 Kb, Revision: A, File published: Mar 12, 2002
This application report describes how to use timer_A3 to implement a UART function. The included examples are specifially for the MSP430x11x(1) family, but they can be adapted to any MSP430 family member incorporating timer_A. The UART function uses hardware features of the timer_A3, and software. The implementation is half-duplex, event-driven, and it supports an 8N1 protocol at baud rates from 1
PDF, 32 Kb, File published: Dec 21, 2000
This application report and its associated software demonstrate the control of a DC motor using pulse width modulation (PWM). The Timer A module, which independently generates a PWM output, is used to produce the control signal.
PDF, 127 Kb, Revision: A, File published: Apr 12, 2013
This application report explains a technique that uses two MSP430в„ў microcontrollers to expand the maximum number of LCD segments that can be driven with a single controller. Additional benefits of the technique include increases in available memory, data storage (RAM), and I/O control lines. These benefits are realized without the need for an external LCD driver circuit. The use of a second
PDF, 596 Kb, File published: May 16, 2012
This document is a specification for the ELF-based Embedded Application Binary Interface (EABI) for the MSP430 family of processors from Texas Instruments. The EABI defines the low-level interface between programs, program components, and the execution environment, including the operating system if one is present. Components of the EABI include calling conventions, data layout and addressing conve
PDF, 91 Kb, File published: Oct 12, 1999
This application report describes voltage and current measurement methods using the MSP430 universal timer/port module. The report explains the two measurement methods (charge and discharge) and shows how to measure voltage and current. The equations for the calculations are also given. Further sections show additional applications such as the measurement of two voltage inputs, bridge arrangem
PDF, 233 Kb, File published: Oct 1, 1997
The first part of the Application Report describes the generation of DTMF signals using the Microcontroller MSP430. Following an explanation of the most important specifications which are involved, the theoretical and mathematical processes will be discussed with which sinusoidal waveforms can be derived from square-wave signals, by making use of appropriate analog filters. Tested examples of soft
