#include?
#define???uint??unsigned?int
#define???uchar?unsigned?char
#define???PWM???BIT2
void?int_clk（）
{
????uchar?i;
????BCSCTL1&=~XT2OFF;??//打開XT振蕩器
????BCSCTL2|=SELM1+SELS;//MCLK?8M?and?SMCLK?1M??
????do
	{
????????IFG1?&=?~OFIFG;?????????????????//清除振蕩錯誤標志?
????????for（i?=?0;?i?	??_NOP（）;			//延時等待
????????}
????while?（（IFG1?&?OFIFG）?!=?0）;	//如果標志為1繼續循環等待
????IFG1&=~OFIFG;
}
void?int_pwm（）
{?
??P1SEL|=PWM;//選擇P12作為PWM輸出
??P1DIR|=PWM;??
??TACCR0=20000;//PWM信號周期10KHz
??TACCR1=500;//占空比1：1
??TACCTL1=OUTMOD0+OUTMOD1+OUTMOD2;?//輸出模式選擇
??TACTL|=TASSEL1+MC0;?
}
void?main（）
{
??WDTCTL=WDTPW+WDTHOLD;//關看門狗
??int_clk（）;??//初始化時鐘
??int_pwm（）;??//初始化PWM
??while（1）;//結束
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2506??2010-09-25?17:12??test19\settings\test19.cspy.bat

?????文件????????925??2010-09-25?17:12??test19\settings\test19.dni

?????文件???????2944??2010-09-25?17:12??test19\settings\test19.wsdt

?????文件???????3826??2010-09-25?17:12??test19\settings\test19.dbgdt

?????文件???????7809??2010-09-25?17:09??test19\Debug\Exe\test19.d43

?????文件????????128??2010-09-25?17:09??test19\Debug\Obj\test19.pbd

?????文件???????6429??2010-09-25?17:09??test19\Debug\Obj\test19.r43

?????文件????????160??2010-09-25?15:40??test19\test19.eww

?????文件??????43711??2010-09-25?15:40??test19\test19.ewp

?????文件??????12489??2010-09-25?15:40??test19\test19.ewd

?????文件???????2041??2010-09-25?17:12??test19\test19.dep

?????文件????????795??2010-09-25?17:09??test19\test19.c

?????目錄??????????0??2010-09-25?15:39??test19\Debug\Exe

?????目錄??????????0??2010-09-25?15:39??test19\Debug\Obj

?????目錄??????????0??2010-09-25?15:39??test19\Debug\List

?????目錄??????????0??2010-09-25?15:39??test19\settings

?????目錄??????????0??2010-09-25?15:39??test19\Debug

?????目錄??????????0??2010-09-25?15:38??test19

-----------?---------??----------?-----??----

????????????????83763????????????????????18