馃惇 鍗曠墖鏈猴細鏄竴绉嶉泦鎴愮數璺姱鐗囷紝鏄噰鐢ㄨ秴澶ц妯￠泦鎴愮數璺妧鏈妸鍏锋湁鏁版嵁澶勭悊鑳藉姏鐨勪腑澶鐞嗗櫒CPU銆侀殢鏈哄瓨鍌ㄥ櫒RAM銆佸彧璇诲瓨鍌ㄥ櫒ROM绛夊姛鑳介泦鎴愬埌涓€鍧楃鐗囦笂鏋勬垚鐨勪竴涓皬鑰屽畬鍠勭殑寰瀷璁＄畻鏈虹郴缁?br> 馃惡P0 鍙ｆ槸婕忔瀬寮€璺紝瑕佷娇鍏惰緭鍑洪珮鐢靛钩锛屽繀椤诲鎺ヤ笂鎷夌數闃伙紝閫氬父閫夋嫨 4.7K~10K 闃诲€笺€?br> 馃惡P0銆丳1銆丳2 鍑犱箮閮界敤浣滄櫘閫?I/O 鍙ｄ娇鐢紝鏃㈠彲浣滀负杈撳叆锛屽張鍙綔涓鸿緭鍑恒€?br> 馃惡 P3 鍙ｆ棦鍙敤浣滄櫘閫?I/O 鍙ｏ紝鍙堝彲浣滀负绗簩鍔熻兘浣跨敤锛屾瘮濡備覆鍙ｃ€佸閮ㄤ腑 鏂€佽鏁板櫒绛夈€?/font>

浜屻€佺幆澧冩惌寤猴紙keil4锛?/h3>

鏂板缓宸ョ▼->閫夋嫨CPU鍨嬪彿锛圓tmel(AT89C52)锛?>缁欏伐绋嬫坊鍔犳枃浠?>閰嶇疆杈撳嚭鏂囦欢hex

涓夈€佺偣浜竴涓猯ed鐏?/h3>

馃拰 3.1 鏌ョ湅鐢佃矾鍘熺悊鍥?/h5>

#ifndef __REG52_H__

#define __REG52_H__

/* BYTE Registers */

sfr P0 = 0x80;

sfr P1 = 0x90;

sfr P2 = 0xA0;

sfr P3 = 0xB0;

sfr PSW = 0xD0;

sfr ACC = 0xE0;

sfr B = 0xF0;

sfr SP = 0x81;

sfr DPL = 0x82;

sfr DPH = 0x83;

sfr PCON = 0x87;

sfr TCON = 0x88;

sfr TMOD = 0x89;

sfr TL0 = 0x8A;

sfr TL1 = 0x8B;

sfr TH0 = 0x8C;

sfr TH1 = 0x8D;

sfr IE = 0xA8;

sfr IP = 0xB8;

sfr SCON = 0x98;

sfr SBUF = 0x99;

/* 8052 Extensions */

sfr T2CON = 0xC8;

sfr RCAP2L = 0xCA;

sfr RCAP2H = 0xCB;

sfr TL2 = 0xCC;

sfr TH2 = 0xCD;

/* BIT Registers */

/* PSW */

sbit CY = PSW^7;

sbit AC = PSW^6;

sbit F0 = PSW^5;

sbit RS1 = PSW^4;

sbit RS0 = PSW^3;

sbit OV = PSW^2;

sbit P = PSW^0; //8052 only

/* TCON */

sbit TF1 = TCON^7;

sbit TR1 = TCON^6;

sbit TF0 = TCON^5;

sbit TR0 = TCON^4;

sbit IE1 = TCON^3;

sbit IT1 = TCON^2;

sbit IE0 = TCON^1;

sbit IT0 = TCON^0;

/* IE */

sbit EA = IE^7;

sbit ET2 = IE^5; //8052 only

sbit ES = IE^4;

sbit ET1 = IE^3;

sbit EX1 = IE^2;

sbit ET0 = IE^1;

sbit EX0 = IE^0;

/* IP */

sbit PT2 = IP^5;

sbit PS = IP^4;

sbit PT1 = IP^3;

sbit PX1 = IP^2;

sbit PT0 = IP^1;

sbit PX0 = IP^0;

/* P3 */

sbit RD = P3^7;

sbit WR = P3^6;

sbit T1 = P3^5;

sbit T0 = P3^4;

sbit INT1 = P3^3;

sbit INT0 = P3^2;

sbit TXD = P3^1;

sbit RXD = P3^0;

/* SCON */

sbit SM0 = SCON^7;

sbit SM1 = SCON^6;

sbit SM2 = SCON^5;

sbit REN = SCON^4;

sbit TB8 = SCON^3;

sbit RB8 = SCON^2;

sbit TI = SCON^1;

sbit RI = SCON^0;

/* P1 */

sbit T2EX = P1^1; // 8052 only

sbit T2 = P1^0; // 8052 only

/* T2CON */

sbit TF2 = T2CON^7;

sbit EXF2 = T2CON^6;

sbit RCLK = T2CON^5;

sbit TCLK = T2CON^4;

sbit EXEN2 = T2CON^3;

sbit TR2 = T2CON^2;

sbit C_T2 = T2CON^1;

sbit CP_RL2 = T2CON^0;

#endif

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浠庝笂闈唬鐮佷腑鍙互鐪嬪埌锛岃澶存枃浠朵腑瀹氫箟浜?52 绯诲垪鍗曠墖鏈哄唴閮ㄦ墍鏈夌殑鍔熻兘 瀵勫瓨鍣ㄣ€傚叾涓?code>sbit銆?code>sfr涓篊51鎵╁厖鏁版嵁绫诲瀷銆侰51鎵╁厖鏁版嵁绫诲瀷涓昏濡備笅锛?br> #include "reg52.h"

sbit LED1=P2^0; //灏哖2.0绠¤剼瀹氫箟涓篖ED1

void main()

{

LED1=0; //灏嗗瘎瀛樺櫒P2鐨勬渶浣庝綅璧嬩綆鐢靛钩

while(1)

{

}

}

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鍥涖€佸疄鐜發ed鐏棯鐑?/h3>

馃摕 褰撳崟鐗囨満P2.0寮曡剼杈撳嚭楂樼數骞虫椂锛宭ed绛変袱渚ф棤鐢典綅宸紝鍥犳娌℃湁鐢垫祦閫氳繃锛宭ed鐏唲鐏€傚疄鐜扮▼搴忓涓嬶細

#include "reg52.h"

typedef unsigned int u16;	//瀵圭郴缁熼粯璁ゆ暟鎹被鍨嬭繘琛岄噸瀹氫箟
typedef unsigned char u8;
sbit LED1=P2^0;	//灏哖2.0绠¤剼瀹氫箟涓篖ED1
/*******************************************************************************
*鍑芥暟鍚?     : delay_10us
* 鍑芥暟鍔熻兘		 : 寤舵椂鍑芥暟锛宼en_us=1鏃讹紝澶х害寤舵椂10us
*******************************************************************************/
void delay_10us(u16 ten_us)
{
	while(ten_us--);	
}
void main()
{	
	while(1)
	{
		LED1=0;	//鐐逛寒
		delay_10us(50000); //鐐逛寒500ms
		LED1=1;	//鐔勭伃
		delay_10us(50000); 	
	}		
}
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浜斻€佸疄鐜發ed娴佹按鐏?/h3>

馃悪 鏈疄楠岄€氳繃涓ょ鏂瑰紡瀹炵幇led璧伴┈鐏晥鏋滐紝涓€绉嶆槸閫氳繃寰幆+绉讳綅瀹屾垚瀵筆2瀵勫瓨鍣ㄥ悇浣嶈疆娴佽祴浣庣數骞炽€傜浜岀鏄娇鐢╥ntrins,h澶存枃浠朵腑瀹氫箟鐨勫閮ㄦ柟娉?_crol_ 涓?code>_cror_鍒嗗埆瀹炵幇鎸変綅鐨勭Щ鍔?/p>

#include "reg52.h"

#include "intrins.h"
typedef unsigned int u16;	//瀵圭郴缁熼粯璁ゆ暟鎹被鍨嬭繘琛岄噸瀹氫箟
typedef unsigned char u8;
#define LED_PORT	P2	//浣跨敤瀹忓畾涔塒2绔彛瀵勫瓨鍣?/p>
/*******************************************************************************
* 鍑芥暟鍚嶏細       : delay_10us
* 鍑芥暟鍔熻兘		 : 寤舵椂鍑芥暟锛宼en_us=1鏃讹紝澶х害寤舵椂10us
*******************************************************************************/
void delay_10us(u16 ten_us)
{
	while(ten_us--);	
}
void main()
{	
   	u8 i=0;
	LED_PORT=~0x01;	//缁橮2瀵勫瓨鍣ㄥ悇浣嶈祴鍊硷紝鍗崇粰瀵勫瓨鍣ㄦ渶浣庝綅璧嬩綆鐢靛钩
	delay_10us(50000);
	while(1)
	{
		//鏂瑰紡涓€锛氶€氳繃绉讳綅+寰幆瀹炵幇娴佹按鐏?/p>
				for(i=0;i<8;i++)
		{
			LED_PORT=~(0x01<
			delay_10us(50000);
		}
		
		//鏂瑰紡2锛氫娇鐢ㄥ惊鐜?_crol_鎴朹cror_鍑芥暟瀹炵幇娴佹按鐏?/p>
//		for(i=0;i<7;i++)	 //灏唋ed宸︾Щ涓€浣?/p>
//		{									  
//			LED_PORT=_crol_(LED_PORT,1);
//			delay_10us(50000); 	
//		}
//		for(i=0;i<7;i++)	//灏唋ed鍙崇Щ涓€浣?/p>
//		{
//			LED_PORT=_cror_(LED_PORT,1);
//			delay_10us(50000);	
//		}	
	}		
}
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鎰熻阿瑙傜湅锛屽瀵瑰唴瀹规湁鐤戞儜鎴栬ˉ鍏咃紝娆㈣繋鐣欒█璁ㄨ锛屽叡鍚岃繘姝ワ紒锛侊紒

鏈枃涓哄涔?a href="https://so.csdn.net/so/search?q=51%E5%8D%95%E7%89%87%E6%9C%BA&spm=1001.2101.3001.7020" target="_blank" class="hl hl-1" data-report-click="{"spm":"1001.2101.3001.7020","dest":"https://so.csdn.net/so/search?q=51%E5%8D%95%E7%89%87%E6%9C%BA&spm=1001.2101.3001.7020","extra":"{\"searchword\":\"51鍗曠墖鏈篭"}"}" data-tit="51鍗曠墖鏈? data-pretit="51鍗曠墖鏈?>51鍗曠墖鏈?/a>鐨勫涔犵殑鍩虹姒傝堪锛屽厛浠嬬粛鍗曠墖鏈烘槸浠€涔堬紝鎵€浣跨敤鐨勫崟鐗囨満鏈変粈涔堣祫婧愶紝姣忎竴涓姛鑳界殑浣滅敤鏄粈涔堛€傜瓎鑰呬娇鐢ㄧ殑鏄疭TC89C52RC 40I-PDIO40锛屾晠浠ユ涓哄熀纭€鐮旂┒瀛︿範銆?/p>

鍗曠墖鏈猴紙鍗曠墖寰瀷璁＄畻鏈猴級鏄竴绉嶉泦鎴愪腑澶鐞嗗櫒锛圕entral Processing Unit锛孋PU锛夈€佸彧璇诲瓨鍌ㄥ櫒锛圧ead Only Memory锛孯OM锛夈€侀殢鏈哄瓨鍙栧偍瀛樺櫒锛圧andom Access Memory锛孯AM锛夈€佸畾鏃跺櫒/璁℃暟鍣ㄤ互鍙奍/O杈撳叆杈撳嚭鎺ュ彛绛夊姛鑳戒簬涓€浣撶殑灏忓瀷璁＄畻鏈鸿姱鐗囥€備粠4浣嶏紝8浣嶇敋鑷冲埌鍚庢潵鐨?2浣嶏紝鎬ц兘瓒婃潵瓒婂己锛屼环鏍艰秺鏉ヨ秺浣庛€傚叾涓?1绯诲垪鍗曠墖鏈烘槸鎸囩敱Intel鍏徃鍙戝睍璧锋潵鐨凪CS-51绯诲垪浠ュ強鍜屽叾鍏锋湁鍏煎鍐呮牳鐨勫崟鐗囨満銆?/p>

80C51 鏄?MCS-51 绯诲垪涓殑涓€涓吀鍨嬪搧绉嶏紱 鍏跺畠鍘傚晢浠?8051 涓哄熀鏍稿紑鍙戝嚭鐨?a href="https://so.csdn.net/so/search?q=CMOS&spm=1001.2101.3001.7020" target="_blank" class="hl hl-1" data-report-view="{"spm":"1001.2101.3001.7020","dest":"https://so.csdn.net/so/search?q=CMOS&spm=1001.2101.3001.7020","extra":"{\"searchword\":\"CMOS\"}"}" data-report-click="{"spm":"1001.2101.3001.7020","dest":"https://so.csdn.net/so/search?q=CMOS&spm=1001.2101.3001.7020","extra":"{\"searchword\":\"CMOS\"}"}" data-tit="CMOS" data-pretit="cmos">CMOS 宸ヨ壓鍗曠墖鏈轰骇鍝佺粺绉颁负 80C51 绯诲垪銆?褰撳墠甯哥敤鐨?80C51 绯诲垪鍗曠墖鏈轰富瑕佷骇鍝佹湁锛?br> Intel(鑻辩壒灏?鐨勶細 i80C31銆?i80C51銆?i87C51锛?i80C32銆?i80C52銆?i87C52 绛夛紱
ATMEL(鑹惧痉姊呭皵)鐨勶細 AT89C51銆?AT89C52銆?AT89C2051锛?AT89S51锛圧C锛?锛?AT89S52锛圧C锛?绛夛紱
Philips(椋炲埄娴?銆?鍗庨偊銆?Dallas(杈炬媺鏂?銆?Siemens(瑗块棬瀛?绛夊叕鍙哥殑璁稿浜у搧锛?br> STC(鍥戒骇瀹忔櫠)鍗曠墖鏈猴細 STC89C51銆?STC89C52銆?STC89C516銆?STC90C516 绛変紬澶氬搧鐗?/p>

鍗曠墖鏈虹殑缁勬垚閮ㄥ垎

涓ぎ澶勭悊鍣?/h2>

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绋嬪簭瀛樺偍鍣紙ROM锛夌敤浜庡瓨鏀剧敤鎴风▼搴忋€佸師濮嬫暟鎹垨琛ㄦ牸绛夈€?051鍗曠墖鏈哄叡鏈?096涓?浣峈OM锛屾湁浜涘寮哄瀷鐨勫崟鐗囨満鎻愪緵浜嗘洿澶х殑绋嬪簭瀛樺偍鍣紝鏈変簺鐢氳嚦杩橀噰鐢ㄧ殑鏄疐lash绋嬪簭瀛樺偍鍣ㄣ€?/p>

鏁版嵁瀛樺偍鍣?/h2>

鏁版嵁瀛樺偍鍣紙RAM锛夊彲瀛樻斁璇诲啓鐨勬暟鎹€丆PU杩愮畻鐨勪腑闂寸粨鏋滄垨鐢ㄦ埛瀹氫箟鐨勫瓧鍨嬭〃绛夈€?O51鍗曠墖鏈哄唴閮ㄦ湁128涓?浣嶇敤鎴锋暟鎹瓨鍌ㄥ崟鍏冨拰128涓笓鐢ㄥ瘎瀛樺櫒鍗曞厓銆備笓鐢ㄥ瘎瀛樺櫒鍙兘鐢ㄤ簬瀛樻斁鎺у埗鎸囦护鏁版嵁锛屽彧鑳借闂€屼笉鑳界敤浜庡瓨鏀剧敤鎴锋暟鎹€傚浜庝竴浜涙柊鎺ㄥ嚭鐨勫崟鐗囨満锛屽叾鍐呴儴RAM鍗曞厓鍙兘鏇村锛屼緥濡侫T89S52鍗曠墖鏈哄唴閮ㄦ湁256涓猂AM鏁版嵁瀛樺偍鍗曞厓銆?/p>

瀹氭椂鍣?璁℃暟鍣?/h2>

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