Design of the Serial
Communication between MSP430F149
and PC
ABSTRACT
In the controlled system of distributing type in which many
computers are communicating, by way of the PC string contact
with many single chip machines to correspond is the most
convenient.In this controlled system of distributing type, the
various communication between single chip machines and
microcomputer is the whole key. According to the low achievement
consume and perfect function of MSP430，The USART that used in system
of MSP430F149 can carry out this kind of function of singular to
group.It is required to solve the voltage conversionand the
change of logic relation, when the MSP430 connects with the PC
string or other terminals which take with strings.And then, we
can choose the asynchronous module (UART) of MSP430F149 to
complete the MSP430F149’s main processor in language of C and
write out the PC’s processor asking for help from The VC++6.0 and
The Pcomm.
This paper introduces the structure, principle and feature of
new generation of 16 bit&Flash-type microcontrollerwhich belongs
to the Texas Instruments MSP430F149 series. At the same time, it
alsointroduces how to carry out the method of theserial
communication between PC and MSP430F149. The paper presents how
to use VC++6.0 design serial port communicationprogram,especially
calling Pcomm functions to control serial port to transfer data.
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