摘要测控仪器和系统在工业生产中起着把关者和指导者的作用，测控系统的自动化控制发展也越来越快。MSP430系列凭借着其低电压、超低功耗，强大的处理能力，系统工作稳定，丰富的片内外设，方便高效的开发环境等特点，在开发应用中占据着越来越重要的地位。本次毕业设计以MSP430F1612为核心，设计了一个数据采集系统，主要涉及A/D转换输入，串行通信，以及D/A转换输出的程序设计。A/D和D/A均采用内置外设，其中A/D对输入电压进行转换，其结果用D/A转换以模拟量输出。通信部分包括发送和接收，在硬件设计上做了自动收发的设计，以避免数据丢失的情况发生。63800

毕业论文关键词  MSP430F1612  数据采集  A/D输入转换  D/A转换输出  串行通信

毕业设计说明书（论文）外文摘要

Title    The Data Acquisition System Based On MSP430F1612                    

Abstract Measurement and control instruments and systems play as a gatekeeper in industrial production and the role of the mentor, and the development of measurement and control system of automatic control is becoming more and more fast. MSP430 series which have the low voltage, low power consumption, strong processing ability, system working stability, wide range of both inside and outside, convenient and efficient development environment and other characteristics,is occupying the more and more important status in the development and application. This graduation design is based on MSP430F1612, designed a data acquisition system, mainly related to input A/D conversion, serial communication, and the output of D/A conversion program design. A/D and D/A all use built-in peripherals, including A/D conversion of input voltage, the result is outputed by D/A converting analog. Communication consists of sending and receiving,which has made the automatic transceiver design on hardware design, in order to avoid data loss.

Keywords  MSP430F1612  Data acquisition system  Serial communication   Input A/D conversion  D/A conversion output

目   次

1  引言 …...1

1.1  MSP430的应用与发展 2

1.2  MSP430的片内外设 3

1.3  MSP430的低功耗模式 4

1.4  数据采集系统的抗干扰设计 4

2  单片机系统介绍 6

2.1  时钟模块 6

2.2  定时器模块 6

2.3  ADC12数模转换模块 7

2.4  DAC12数模转换模块 7

2.5  串行通信模块 8

3  系统硬件设计 9

3.1  ADC12数模转换模块 9

3.2  DAC12数模转换模块 9

3.3  串行通信模块 10

4  系统软件设计 12

4.1  软件开发环境 12

4.2  基础时钟模块 13

4.3  定时器模块 13

4.4  ADC12数模转换模块 16

4.5  DAC12数模转换模块 20

4.6  串行通信模块