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MSP430F2012IN 其他数据使用手册 - TI（德州仪器）
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TI（德州仪器）
分类:
微控制器
封装:
DIP-14
描述:
TEXAS INSTRUMENTS MSP430F2012IN 微控制器, 16位, 混合信号, MSP430F2xx, 16 MHz, 2 KB, 128 Byte, 14 引脚, DIP
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MSP430F2012IN数据手册
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Design of a Simple 3-L
ead ECG Acquisition System Based on
MSP430F149
Peng Wa
ng
*
and Zhigang Lv
School of Elec
tronic and Information Engineering Xi' an Technological University,710032,Xi’an China
Abstract.
Cardiovasc
ular disease is one of the major diseases which threat human health, and ECG is the
primary means of diagnosis of cardiovascular disease. This paper mainly introduces the design procedure of a
simple 3-lead ECG acquisition system based on MSP430F149 , introduces the structure and function of the
device, finally introduces the function of each module, circuit design and the program design. The device
completes the process of data acquisition using the ultra-low power microcontroller MSP430F149, and
collects ECG signal to A/D sampling and conversion. It sends the ECG information to the patient phone by
the Bluetooth module. This paper explains the software design process in detail, and the realization of a
hardware design and optimization. The main content of software design is the data collection and the serial
communication module. The software design includes the main program, timer-A interrupt, button
interrupted, A/D converter, and serial communication program. This design can create a new device of 3-
Lead ECG. system.
Keywords
: ECG; Data Acq
uisition; Bluetooth; MSP430F149
1. Introduction
Cardiovascul
ar disease is one of the major diseases which threat human health; ECG is the primary means
of diagnosis of cardiovascular disease. Conventional ECG monitor is expensive, and cable transmission is not
convenient, it can’t meet consumer demand of most patients. This paper examines the simple 3-lead ECG
acquisition system which transmits the ECG information to the patient phone by the wireless communication
ways, and sends the patient information to the community hospital diagnostic system via mobile phone. The
device is easy to use, has low power consumption and it can meet the needs of continuous work. It has low
price, can be purchased from the general population, and it’s the best choice for applications of home
applications, community medical services.
This paper introduces the design procedure of the hardware and software using MSP430F149. The
software design includes the main program, timer A interrupt, button interrupted, A/D converter, and serial
communication program
[1]
.
2. System Components
It introduces each co
mponents of the system in detail, including structure model of the hardware and
software design. The simple 3-lead ECG system collects signal by the sensor, the signal is amplified and filter,
then sampled and conversed by MSP430F149 internal A/D module. The conversed data is sent to the PC by
Bluetooth module, the PC analysis and process the collected signal. The diagram of system components is
shown as figure 1.
Fig. 1
Diagram of System Components
* Corresponding author
. Tel.: +86-13991917552
E-mail address: wang_peng_1@126.com.
20
11 International Conference on Computer and Automation Engineering (ICCAE 2011)
IPCSIT vol. 44 (2012) © (2012) IACSIT Press, Singapore
DOI: 10.7763/IPCSIT.2012.V44.15
86
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