MSP430鍏ラ棬
鏈漢瀛︿範(fàn)鍜屼嬌鐢?span lang=EN-US>msp430涓涓湀錛屽伓鍦ㄥ井鎺ц鍧涚湅鍒頒竴絎旇錛岃杞界殑铔ソ鐨勶紝鐜拌漿杞藉埌鑷繁鍗氬浠ュ仛澶囧繕銆?span lang=EN-US>
紜歡鍒濇
榪欏彧鏄垜鍦ㄥ涔?span lang=EN-US>TI鍏徃鐢熶駭鐨?span lang=EN-US>16浣嶈秴鐨勫姛鑰楀崟鐗囨満MSP430鐨勯殢絎旓紝甯屾湜鑳藉鍏朵粬鏈嬪弸鏈夋墍鍊熼壌錛屼笉瀵逛箣澶勮繕璇峰鎸囨暀銆?span lang=EN-US>
涓嬮潰錛屽紑濮?span lang=EN-US>430涔嬫梾銆?span lang=EN-US>
璁茶В430鐨勪功鐜板湪涔熸湁寰堝浜嗭紝涓嶈繃澶у鏁伴兘鏄緇嗚鏄庡簳灞傜‖浠剁粨鏋勭殑錛岀湅浜嗕笉鍏嶆湁浜涚┖媧炲拰鏋嚗錛屾垜璁や負(fù)浜嗚В涓涓?span lang=EN-US>MCU鐨勬搷浣滈鍏堣瀵瑰叾鍩虹鐗規(guī)ф湁鎵浜嗚В錛岀劧鍚庡啀浠旂粏鐮旂┒鍚勬ā鍧楃殑鍔熻兘銆?span lang=EN-US>
1.棣栧厛浣犺鐭ラ亾msp430鐨勫瓨鍌ㄥ櫒緇撴瀯銆傚吀鍨嬪井澶勭悊鍣ㄧ殑緇撴瀯鏈変袱縐嶏細(xì)鍐傝渚濇浖緇撴瀯鈥斺?/span>紼嬪簭瀛樺偍鍣ㄥ拰鏁版嵁瀛樺偍鍣ㄧ粺涓緙栫爜錛涘搱浣?jīng)缁撴?span lang=EN-US>鈥斺?/span>紼嬪簭瀛樺偍鍣ㄥ拰鏁版嵁瀛樺偍鍣紱msp430緋誨垪鍗曠墖鏈哄睘浜庡墠鑰咃紝鑰屽父鐢ㄧ殑mcs51緋誨垪灞炰簬鍚庤呫?span lang=EN-US>
0錛?span lang=EN-US>0xf鐗規(guī)畩鍔熻兘瀵勫瓨鍣紱0x10錛?span lang=EN-US>0x1ff澶栧洿妯″潡瀵勫瓨鍣紱0x200錛嶏紵鏍規(guī)嵁涓嶅悓鍨嬪彿鍦板潃浠庝綆鍚戦珮鎵╁睍錛?span lang=EN-US>0x1000錛?span lang=EN-US>0x
2.澶嶄綅淇″彿鏄?span lang=EN-US>MCU宸ヤ綔鐨勮搗鐐癸紝430鐨勫浣嶄俊鍙鋒湁涓ょ錛氫笂鐢?shù)澶嶄綅淇″?span lang=EN-US>POR鍜屼笂鐢墊竻闄や俊鍙?span lang=EN-US>PUC銆?span lang=EN-US>POR淇″彿鍙湪涓婄數(shù)鍜?span lang=EN-US>RST/NMI澶嶄綅綆¤剼琚緗負(fù)澶嶄綅鍔熻兘錛屼笖浣庣數(shù)騫蟲椂緋葷粺澶嶄綅銆傝?span lang=EN-US>PUC淇″彿鏄?span lang=EN-US>POR淇″彿浜х敓錛屼互鍙婂叾浠栧鐪嬮棬鐙楀畾鏃舵孩鍑恒佸畨鍏ㄩ敭鍊煎嚭鐜伴敊璇槸浜х敓銆備絾鏄紝鏃犺閭ｇ淇″彿瑙﹀彂鐨勫浣嶏紝閮戒細(xì)浣?span lang=EN-US>msp430鍦ㄥ湴鍧0xffff澶勮鍙栧浣嶄腑鏂悜閲忥紝鐒跺悗紼嬪簭浠庝腑鏂悜閲忔墍鎸囩殑鍦板潃寮濮嬫墽琛屻傚浣嶅悗鐨勭姸鎬佷笉鍐欎簡錛岃瑙佸弬鑰冧功錛屽樋鍢褲?span lang=EN-US>
3.緋葷粺鏃墮挓鏄竴涓▼搴忚繍琛岀殑鎸囨尌瀹橈紝鏃跺簭鍜屼腑鏂篃鏄暣涓▼搴忕殑鏍稿績鍜屼腑杞寸嚎銆?span lang=EN-US>430鏈澶氭湁涓変釜鎸崱鍣紝DCO鍐呴儴鎸崱鍣紱LFXT1澶栨帴浣庨鎸崱鍣紝甯歌鐨?span lang=EN-US>32768HZ錛屼笉鐢ㄥ鎺ヨ礋杞界數(shù)瀹癸紱涔熷彲鎺ラ珮棰?span lang=EN-US>450KHZ錛?st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="8" UnitName="m">8M錛岄渶鎺ヨ礋杞界數(shù)瀹癸紱XT2鎺ラ珮棰?span lang=EN-US>450KHZ錛?st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="8" UnitName="m">8M錛屽姞澶栨帴鐢?shù)瀹广傦紙緇忛獙涓彂鐜幫紝鎺?span lang=EN-US>XT2鏃訛紝闇瑕佹敞鎰?/span>鑷繁寮鍚?/span>XT2錛屽茍寤舵椂50us絳夊緟XT2璧鋒尟錛岀劧鍚庢墜宸ユ竻闄?/span>IFG1涓殑OFIFG浣嶏紝鍏舵搷浣滈『搴忎負(fù)錛氭墦寮XT2->絳夊緟XT2紼沖畾->鍒囨崲緋葷粺鏃墮挓涓?/span>XT2錛?span lang=EN-US>
430鏈変笁縐嶆椂閽熶俊鍙鳳細(xì)MCLK緋葷粺涓繪椂閽燂紝鍙垎棰?span lang=EN-US>1 2 4 8錛屼緵cpu浣跨敤錛屽叾浠栧鍥存ā鍧楀湪鏈夐夋嫨鎯呭喌涓嬩篃鍙嬌鐢紱SMCLK緋葷粺瀛愭椂閽燂紝渚涘鍥存ā鍧椾嬌鐢紝鍙夊垯涓嶅悓鎸崱鍣ㄤ駭鐢熺殑鏃墮挓淇″彿錛?span lang=EN-US>ACLK杈呭姪鏃墮挓錛屽彧鑳界敱LFXT1浜х敓錛屼緵澶栧洿妯″潡銆?span lang=EN-US>
4.涓柇鏄?span lang=EN-US>430澶勭悊鍣ㄧ殑涓澶х壒鑹詫紝鍥犱負(fù)鍑犱箮姣忎釜澶栧洿妯″潡閮借兘浜х敓錛?span lang=EN-US>430鍙互鍦ㄦ病鏈変換鍔℃椂榪涘叆浣庡姛鑰楃姸鎬侊紝鏈変簨浠舵椂涓柇鍞ら啋cpu錛屽鐞嗗畬姣曞啀嬈¤繘鍏ヤ綆鍔熻楃姸鎬併?span lang=EN-US>
鏁翠釜涓柇鐨勫搷搴旇繃紼嬫槸榪欐牱鐨勶紝褰撴湁涓柇璇鋒眰鏃訛紝濡傛灉cpu澶勪簬媧誨姩鐘舵侊紝鍏堝畬鎴愬綋鍓嶅懡浠わ紱濡傛灉澶勪簬浣庡姛鑰楋紝鍏堥鍑猴紝灝嗕笅涓鏉℃寚浠ょ殑pc鍊煎帇鍏ュ爢鏍堬紱濡傛灉鏈夊涓腑鏂姹傦紝鍏堝搷搴斾紭鍏堢駭楂樼殑錛涙墽琛屽畬鍚庯紝絳夊緟涓柇璇鋒眰鏍囧織浣嶅浣嶏紝瑕佹敞鎰忥紝鍗曚腑鏂簮鐨勪腑鏂姹傛爣蹇椾綅鑷姩澶嶄綅錛岃屽涓柇鐨勬爣蹇椾綅闇瑕佽蔣浠跺浣嶏紱鐒跺悗緋葷粺鎬諱腑鏂厑璁鎬綅SR.GIE澶嶄綅錛岀浉搴旂殑涓柇鍚戦噺鍊艱鍏?span lang=EN-US>pc錛岀▼搴忎粠榪欎釜鍦板潃緇х畫鎵ц銆?span lang=EN-US>
榪欓噷瑕佹敞鎰忥紝涓柇鍏佽浣?span lang=EN-US>SR.GIE鍜屼腑鏂祵濂楅棶棰樸傚鏋滃綋浣犳墽琛屼腑鏂▼搴忚繃紼嬩腑錛屽笇鏈涘彲浠ュ搷搴旀洿楂樼駭鍒殑涓柇璇鋒眰鏃訛紝蹇呴』鍦ㄨ繘鍏ョ涓涓腑鏂椂鎶?span lang=EN-US>SR.GIE緗綅銆?span lang=EN-US>
鍏跺疄錛屽叾浠栫殑澶栧洿妯″潡鏃墮挓娌跨潃鏃墮挓鍜屼腑鏂繖涓牳蹇冩潵鎵ц鐨勩傚叿浣撶殑緇撴瀯鎴戜篃涓嶇綏绱簡錛屽彲浠ュ弬鑰?span lang=EN-US>430緋誨垪鎵嬪唽銆?span lang=EN-US>
C璇█緙栫▼璧鋒
鍥犱負(fù)甯哥敤鐨?span lang=EN-US>430緙栫▼寮鍙戞槸c璇█錛屾墍浠ヤ笅闈㈣瑙?span lang=EN-US>C璇█瀵?span lang=EN-US>430緙栫▼鐨勬暣浣撶粨鏋勩傚熀鏈笂灞炰簬妗嗘灦緇撴瀯錛屽嵆鏁翠綋鐨勬ā鍧楀寲緙栫▼錛屽叾瀹炶繖涔熸槸紜歡緙栫▼鐨勫熀鏈硶鍒欐媺錛堝彲涓嶆槸鎴戣瀹氱殑娉曞垯鍝︼級銆?span lang=EN-US>
棣栧厛鏄▼搴忕殑澶存枃浠訛紝鍖呮嫭#include <MSP430x14x.h>,榪欐槸14緋誨垪錛屽洜涓哄父鐢?span lang=EN-US>149錛涘叾浠栧瀷鍙峰彲鑷繁淇敼銆傝繕鍙互鍖呮嫭#include "data.h" 絳夋暟鎹簱澶存枃浠訛紝鎴栧嚱鏁板彉閲忓０鏄庡ご鏂囦歡錛岄兘鏄綘鑷繁瀹氫箟鐨勫摝銆?span lang=EN-US>
鎺ョ潃灝辨槸鍑芥暟鍜屽彉閲忕殑澹版槑 void Init_Sys(void)錛屽嵆緋葷粺鍒濆鍖栥傜郴緇熷垵濮嬪寲鏄釜鏁翠綋鐨勬蹇碉紝騫夸箟涓婅鍖呮嫭鎵鏈夊鍥存ā鍧楃殑鍒濆鍖栵紝浣犲彲浠ユ妸澶栧洿妯″潡鍒濆鍖栫殑瀛愬嚱鏁板啓鍒?span lang=EN-US>Init_Sys錛堬級涓紝涔熷彲浠ュ垎鍒啓鍚勪釜妯″潡鐨勫垵濮嬪寲銆備絾緇撴瀯鐨勭畝媧侊紝鏈濂藉啓瀹岀郴緇熺殑鏃墮挓鍒濆鍖栧悗錛屽叾浠栨墍鐢ㄥ埌鐨勬ā鍧楋紙鍖呮嫭涓浜涗腑鏂垵濮嬪寲錛変篃鍦ㄨ繖閲屽垵濮嬪寲銆?span lang=EN-US>
void Init_Sys()
{
unsigned int i;
BCSCTL1&=~XT2OFF; //鎵撳紑XT2鎸崱鍣?span lang=EN-US>
do
{
IFG1 &= ~OFIFG; // 娓呴櫎鎸崱鍣ㄥけ鏁堟爣蹇?span lang=EN-US>
for (i = 0xFF; i > 0; i--); // 寤舵椂錛岀瓑寰?span lang=EN-US>XT2璧鋒尟
}
while ((IFG1 & OFIFG) != 0); // 鍒ゆ柇XT2鏄惁璧鋒尟
BCSCTL2 =SELM_2+SELS; //閫夋嫨MCLK銆?span lang=EN-US>SMCLK涓?span lang=EN-US>XT2
//浠ヤ笅瀵瑰悇縐嶆ā鍧椼佷腑鏂佸鍥磋澶囩瓑榪涜鍒濆鍖?span lang=EN-US>
........................................
_EINT(); //鎵撳紑鍏ㄥ眬涓柇鎺у埗
}
榪欓噷娑夊強鍒版椂閽熼棶棰橈紝閫氬父鎴戜滑閫夋嫨XT2涓?st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="8" UnitName="m">8M鏅舵尟錛屼篃鍗崇郴緇熶富鏃墮挓MCLK涓?st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="8" UnitName="m">8M,cpu鎵ц鍛戒護(hù)浠ユ鏃墮挓涓哄噯錛涗絾鍏朵粬澶栧洿妯″潡鍙互鍦ㄧ浉搴旂殑鎺у埗瀵勫瓨鍣ㄤ腑閫夋嫨鍏朵粬鐨勬椂閽燂紝ACLK錛涘綋浣犲閫熷害瑕佹眰寰堜綆錛屽畾鏃舵椂闂撮棿闅斿ぇ鏃訛紝灝卞彲浠ラ夋嫨ACLK錛屼緥濡傚湪瀹氭椂鍣?span lang=EN-US>Timea鍒濆鍖栦腑璁劇疆銆?span lang=EN-US>
涓葷▼搴忥細(xì)
void main( void )
{
WDTCTL = WDTPW + WDTHOLD;//鍏抽棴鐪嬮棬鐙?span lang=EN-US>
InitSys(); //鍒濆鍖?span lang=EN-US>
//鑷繁浠誨姟涓殑鍏朵粬鍔熻兘鍑芥暟
銆傘傘傘傘傘傘傘傘傘傘傘傘傘傘傘傘傘傘傘傘?
while(1);
}
涓葷▼搴忎箣鍚庢垜瑕佽璁蹭腑鏂嚱鏁幫紝涓柇鏄綘鍋氬崟鐗囨満浠誨姟涓笉鍙己灝戠殑閮ㄥ垎錛屼篃鍙互璇存槸鐏甸瓊浜嗭紙澶稿紶鍚楋級銆?span lang=EN-US>
/***********************************************************************
鍚勪腑鏂嚱鏁幫紝鍙寜浼樺厛綰т緷嬈′功鍐?span lang=EN-US>
***********************************************************************/
涓句釜瀹氭椂涓柇鐨勪緥瀛愶細(xì)
//鍒濆鍖?span lang=EN-US>
void Init_Timer_A(void)
{
TACTL = TASSEL0 + TACLR; // ACLK, clear TAR
CCTL0 = CCIE; // CCR0 涓柇浣胯兘
CCR0=32768; //瀹氭椂1s
TACTL|=MC0; //澧炶鏁版ā寮?span lang=EN-US>
}
// 涓柇鏈嶅姟
#pragma vector=TIMERA0_VECTOR
__interrupt void TimerA0()
{
// 浣犺嚜宸辮姹備腑鏂墽琛岀殑浠誨姟
}
褰撶劧錛岃繕鏈夊叾浠栫殑瀹氭椂錛屽拰澶氱涓柇錛屽悇緋誨垪鑺墖鐨勪腑鏂悜閲忎釜鏁頒篃涓嶅悓銆?span lang=EN-US>
瀛﹀畬騫舵噦寰椾互涓婄煡璇嗗悗錛屾帴涓嬪幓鎺ㄨ崘鐪嬪井鎺ц鍧涗笂鐨?span lang=EN-US>msp430甯哥敤妯″潡搴旂敤鍘熺悊銆?/span>