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The Microcontroller began in 1980s, this technology originated with General Instrument. Microcontroller features of volume, low-price, multi-function and easy to use. Microcontroller has been widely applied in many fields, such as biomedical, motor control, computers, vending machines, sirens, etc. Many MCU also launched, such as 8051, PIC, HT, MPC. This paper mainly discusses MSP430 by Texas Instruments developed. MSP430 The main characteristics for low power. Diverse needs, launched the MSP430 series family and variety of packaging. MSP430 have highly integrated, saving many peripheral circuits. MSP430 is not only easy to use, but also the function is very powerful. MSP430 is a young microcontroller. Although MSP430 is many advantages, but most people is not familiar with MSP430. Except Texas Instruments to supply reference design and sample code, MSP430 is few related book , information and teaching module. Therefore, this paper provided educative applications include hardware design, assembly language programs, C language programs and IAR IDE software operating. For beginners or students converge more complex applications in the future. This paper will describe MSP430, IAR Embedded Workbench, hardware and diverse program applications. Provided to the MSP430 learners a reference.
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