The MSP430 series of microcontrollers is a 16-bit ultra-low power, mixed-signal processor with a reduced instruction set that Texas Instruments (TI) introduced to the market in 1996. It is called a mixed-signal processor because it integrates multiple analog circuits, digital circuit modules and microprocessors with different functions on one chip to provide a "single-chip" solution. This series of single-chip microcomputers are mostly used in portable instrumentation that requires battery power. The MCU has ultra-low power consumption, rich on-chip functions, fast calculation speed and strong processing capability, so it has a wide application range. This article mainly introduces the application of MSP430 microcontroller in the medical industry. Design of hospital call intercom system based on MSP430 and DTMF technology The hospital call intercom system is one of the important equipments to improve the nursing level of the hospital. The basic function is to make the communication between the nursing target and the medical staff through a simple way. The 16-bit MSP430 MCU has a high degree of integration and abundant on-chip resources. The main outstanding feature is low power consumption, which can achieve long-term stable operation. After being applied to the system, the performance is well optimized and the medical staff can be improved. The efficiency of work and the reduction of their labor intensity, the patient can also get timely care and medical treatment, can significantly improve the hospital's service level and medical quality. Design of Cardiopulmonary Auscultation Skill Training System Based on MSP430 From a structural point of view, the system can be divided into two parts: the model person and the remote controller. The model person mainly has internal wireless receiving devices and control devices as well as special devices for the human body surface. There are LCD screens, keyboards and related instructions on the remote control. The assessor can conveniently send a command signal to the wireless receiving device inside the model person, and the wireless receiving device uses the received command to determine what type of disease is, thereby controlling what sounds should be emitted at each position on the model person, when the stethoscope is touched. When the model person has the corresponding position point, the corresponding device will give the control unit a position signal, and then the control unit will control the signal through the multi-channel analog switch to control the corresponding speaker to emit the cardiopulmonary auscultation sound at the point where the examinee passes the stethoscope. This sound is transmitted to the human ear, which completely simulates a real auscultation process. Design of high performance portable electronic blood pressure monitor based on MSP430 Based on the research of existing products or design concepts at home and abroad, using advanced signal processing technology and intelligent control technology, the noise interference and nonlinear distortion in pulse extraction processing are eliminated as much as possible, and the accuracy and stability of blood pressure measurement are improved. Improve the automation and intelligence of measurements. This design uses Motorola's MPX53GC silicon pressure sensor and TI's MSP430F149 microcontroller as the main components to form an electronic sphygmomanometer. The system consists of MCU, sensor, LCD liquid crystal display, operation panel, charge and discharge control circuit, air pump and air valve, buzzer, memory, power supply and other parts. Design of 12-lead Synchronous ECG System Based on MSP430 The 12-lead synchronous electrocardiograph uses the MSP430FMS4616 of the MSP430 series from Texas Instruments as the control core, which can easily realize the collection, processing, display and transmission of ECG signals. The system is mainly composed of five parts: the preamplifier circuit is used to amplify each lead ECG signal; the band pass filter circuit is used to filter out noise outside the ECG signal frequency range; the trap circuit is used to filter 50Hz power frequency Interference and 35Hz myoelectric interference; bioelectric signal data acquisition circuit is used to collect the amplified lead ECG signals and send the data to the MCU; the right leg drive circuit can not only suppress 50Hz power frequency interference, but also according to detection. The ECG signal is properly adjusted to the human body level for ADC sampling; the data processing display portion is used to process the collected data by using a filtering algorithm and display the ECG waveform in real time; the network transmission part is used to transmit the collected ECG data to the hospital or The Centers for Disease Control provides easy access to the patient's condition. Design of low power portable electrocardiograph based on MSP430 The low-power portable electrocardiograph consists of MSP430F169, ECG signal acquisition and conditioning circuit, liquid crystal display module, data storage module, key input module, etc., through the standard lead mode I and the human body connected to the ECG signal, because There are various kinds of interferences in the environment (the body's own myoelectric interference, external power frequency interference, etc.), so it must be amplified and filtered by the analog amplifier circuit before entering the MSP430F169 microcontroller, using the A/D module inside the microcontroller. The analog signal is analog-to-digital converted, then the data is stored and displayed on the LCD screen. The observer can visually see the waveform of the ECG signal and the number of heartbeats per minute. Photoelectric micro-loss blood glucose monitoring system based on MSP430 This design uses a bundle of thousands of fibers to transmit and receive light, and adds a reference beam path to form a three-beam bundle sensor. The entire fiber-optic sensing probe adopts a concentric structure, the two-way transmitting fiber bundles are inner circles, and are randomly and evenly distributed, and the outer ring is a receiving fiber bundle. In the case where the measuring fiber and the reference fiber are sufficiently large, the spot areas of the two wavelengths of light illuminating the object are approximately equal. The fiber optic probes are closely arranged without gaps, the fiber size and the optical path are the same, and are easy to be formed into a strip shape, which can automatically compensate for the influence of changes in the intensity and reflectivity of the light source and the environment on the measurement accuracy. Design of electronic blood pressure monitor based on MSP430F449 The main control circuit of the system is mainly composed of MSP430F449 chip, JTAG interface circuit, clock generation circuit, clock output circuit, reset circuit, PWM wave output circuit and power supply circuit. The JTAG is used to download and debug the program, and the PWM wave output circuit is used to control the air pump. When measuring blood pressure, first inflate to a height of 200 mmHg, and then slowly deflate at a rate of about 5 mmHg per second. Achieve automatic measurement of blood pressure. Design of non-polar constant current electric stimulator based on MSP430 In this paper, a design scheme of a bipolar constant current electric stimulator is proposed, and a specific implementation method is given. The stimulator can be used to synthesize a variety of signal amplitude modulated non-polar exponential pulses, which can not only satisfy the therapeutic effect, but also take into account The safety of the stimulus. The system hardware structure includes MSP430F4270 main control chip, signal synthesis module and signal output module. The amplitude modulation signal generation method adopts digital waveform generator mode, and the waveform generated by the required amplitude modulation signal is digitized into waveform data at a certain sampling rate in advance. Stored in the FLASH of MSP430, when the stimulus is turned on, the data corresponding to this waveform is sent to the 12-bit digital-to-analog conversion circuit of the chip according to the stimulation parameter at a certain frequency, and the output is the required amplitude modulation signal. Design of wireless blood oxygen finger clip based on MSP430F149 and nRF905 The wireless blood oxygen finger clamp uses the MSP430F149 microcontroller as the main control chip, and uses the I/O interface of the single chip to drive the light emitting diode. The system adopts the finger-end blood oxygen finger clip produced by Mindray, and the output of the finger clip is a current signal, which can be used to reflect the transmitted light intensity. The current signal can be converted into a pulse wave signal after being subjected to current-voltage conversion, amplification, filtering, etc., and finally, the 12-bit ADC sample built in the MSP430F149 enters the single-chip microcomputer for processing, and the blood oxygen saturation value is obtained by calculation. After the value is packed, it is sent by the MCU to the nRF905 module, and then sent out through the antenna. Design of intracranial hemorrhage detection equipment based on MSP430 The device uses MSP430 microcontroller as the control core. Its output pulse signal drives a specific wavelength of LED to produce near-infrared light. The near-infrared light source passes through the brain tissue, and the optical signal containing the blood oxygen information of the brain tissue is collected by the photoelectric sensor in the detecting probe, and the electrical signal is transmitted to the single-chip microcomputer after photoelectric conversion, and the processed signal can be saved in the EEPROM or passed through LCD display. Signals can also be transmitted to a computer via the USB port for further processing or storage. Design of blood glucose monitoring system based on MSP430 microprocessor and GSM mobile communication The blood glucose tester based on MSP430 single-chip microcomputer is mainly composed of enzyme electrode sensor, signal processing, single-chip data acquisition and processing, and serial communication between single-chip computer and mobile phone. The enzyme electrode sensor adopts three-electrode system, which is divided into reference electrode, opposite pole and work. electrode. The pre-signal processing uses the analog switch to control the electrode access circuit, thus providing different working states for the system. The signal processing uses an amplifier and low-pass filtering to convert the current signal of the sensor to filter high-frequency interference for subsequent circuits. The data acquisition provides high-quality signals, data collection and processing of blood glucose concentration and serial data communication, which is completed by TI's MSP430 series MCU. Miniature home ECG machine based on MSP430 design This article describes a miniature home ECG machine. The instrument has powerful features: display monitoring, storage, playback, printing, record management, power alarm, telephone or internet transmission. The difference from other ECG machines is that the system uses a new low-power 16-bit microcontroller--MSP430 F135 as the control core of the whole system, and is equipped with the corresponding 16-bit low-power memory AT29LV1024 and liquid crystal display module LMS0192A. Thereby simplifying the system hardware circuit and greatly reducing the system cost, the home electrocardiograph has a very broad application prospect. Connecting Terminals,Micro Connecting Terminal,Aluminum Connecting Terminals,Connecting Copper Terminal Taixing Longyi Terminals Co.,Ltd. , https://www.txlyterminals.com