我想用定时器T0控制数码管循环显示0-9，间隔一秒，电路图，程序如下，晶振12MHZ，请高手指教 一个汇编语言定时器t0，控制一个led数码管实现数字0~9循...
\u6211\u60f3\u7528\u5b9a\u65f6\u5668T0\u63a7\u5236\u4e24\u4e2a\u6570\u7801\u7ba1\u5faa\u73af\u663e\u793a0-59\uff0c\u95f4\u9694\u4e00\u79d2\uff0c\u7535\u8def\u56fe\uff0c\u7a0b\u5e8f\u5982\u4e0b\uff0c\u6676\u632f12MHZ\uff0c\u8bf7\u9ad8\u624b\u6307\u6559\u4e0d\u8981\u7528\u4e09\u6781\u7ba1\uff0c\u7528\u53cd\u76f8\u566874LS04\u6765\u4ee3\u66ff\u3002
ORG 0000H JMP BEGIN ORG 000BH LJMP T0ISR ORG 0030HTABLE: ; \u5171\u9634\u6781\u6570\u7801\u7ba1\u663e\u793a\u4ee3\u7801\u8868 DB 3FH,06H,5BH,4FH,66H ;01234 DB 6DH,7DH,07H,7FH,6fh ;56789;---------------------------------------BEGIN: MOV TMOD,#01H MOV TH0,#HIGH(65536-5000) MOV TL0,#LOW(65536-5000) SETB TR0 SETB ET0 SETB EA MOV R2,#200 CLR 00H MOV R3,#0 SJMP $T0ISR: CLR TR0 MOV TH0,#HIGH(65536-5000) MOV TL0,#LOW(65536-5000) SETB TR0 DJNZ R2,T01 MOV R2,#200 INC R3 CJNE R3,#10,T01 MOV R3,#0T01: MOV DPTR,#TABLE MOV A,R3 MOVC A,@A+DPTR CPL 00H JB 00H,T02 MOV P2,#0FEH SJMP T03T02: MOV P2,#0F7HT03: MOV P0,AT0E: RETI END
#include<REGX52.h>typedef unsigned char uint8;
typedef unsigned int uint16;
uint16 counter =0,i=0;
uint8 number[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
void main()
{
TMOD =0x01;
TH0 =0xfc;
TL0 =0x18;
TR0 =1;
P0=number[i];
while(1)
{
if(TF0==1)
{
TF0=0;
TH0 =0xfc;
TL0 =0x18;
counter++;
}
if(counter==1000)
{
counter=0;
i++;
i%=10;
P0=number[i];
}
}
}
绛旓細涓嶈鐢ㄤ笁鏋佺锛岀敤鍙嶇浉鍣74LS04鏉ヤ唬鏇裤
绛旓細ORG 0000H JMP BEGIN ORG 000BH LJMP T0ISR ORG 0030HTABLE: ; 鍏遍槾鏋鏁扮爜绠鏄剧ず浠ｇ爜琛 DB 3FH,06H,5BH,4FH,66H ;01234 DB 6DH,7DH,07H,7FH,6fh ;56789;---BEGIN: MOV TMOD,#01H MOV TH0,#HIGH(65536-5000) MOV TL0,#LOW(65536-5000...
绛旓細//瀹氭椂鍣═0涓柇绋嬪簭 void T0_ISR() interrupt 1 { TH0=0x3C;TL0=0xB0;t0n++;}
绛旓細include<REGX52.h> typedef unsigned char uint8;typedef unsigned int uint16;uint16 counter =0,i=0;uint8 number[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};void main(){ TMOD =0x01;TH0 =0xfc;TL0 =0x18;TR0 =1;P0=number[i];while(1){ if(TF0==1...
绛旓細鐢T0瀹氭椂鍣鏂瑰紡1瀹氭椂50ms锛岄噰鐢ㄤ腑鏂柟寮忥紝涓柇10娆′负0.5绉掞紝鍙樺寲涓娆8浣鏁扮爜绠鐨勬樉绀烘暟瀛椼傜▼搴忓涓 浠跨湡缁撴灉锛屽紑濮嬫樉绀01234567 鏈鍚庝竴涓暟澶т簬0x0F锛岄噸鏂颁粠0寮濮嬭鏁版樉绀
绛旓細鍥犱綘娌℃湁缁欏師鐞嗗浘锛屾墍浠ワ紝鐢讳簡涓涓豢鐪熷浘锛屼竴浣嶅叡闃鏁扮爜绠鎺ュ湪P0鍙ｏ紝缁勬垚闈欐佹樉绀虹數璺紝姣忎釜鏁板瓧鏄剧ず0.5绉掞紝閲囩敤瀹氭椂鍣═0瀹氭椂鏉ュ疄鐜般備豢鐪熷浘濡備笅锛岃鍙婃椂閲囩撼銆傜▼搴忓涓 include<reg52.h> unsigned char code smgduan[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};unsigned char...
绛旓細//璁剧疆瀹氭椂鍒濆糡F0 = 0;//娓呴櫎TF0鏍囧織TR0 = 1;//瀹氭椂鍣0寮濮嬭鏃秨void main(){ LED_7SEG=table[0]; Timer0Init(); EA=1; ET0=1; while(1); }void t0inter() interrupt 1{ static unsigned char count=0,show=0;TL0 = 0xB0;//璁剧疆瀹氭椂鍒濆糡H0 = 0x3C;/...
绛旓細鈥︹um2++;if(num2==20){ num2=0;//灏戜簡杩欏彞锛宯um2浼氭寔缁闀匡紝闀垮埌255鍚庯紝鎵嶅彉鎴0銆傗︹um2锛0锝255锛屽彧鏈夊湪锛20鏃讹紝鏁板瓧鎵嶅姞涓銆傞偅涔堬紝灏辨槸绾12.5绉掞紝鏁板瓧鎵嶅姞涓銆
绛旓細鐢51鍗曠墖鏈哄啓涓涓▼搴:鐢ㄥ畾鏃涓柇T0T1鎺у埗4涓鏁扮爜绠鏄剧ず1...鍒嗗唴瀹硅浆鑷細銆51鍗曠墖鏈篊璇█鍒涙柊鏁欑▼銆嬫俯瀛愮ズ绛夎憲銆傚師鐞嗭細杞欢璁捐鏂归潰浣跨敤鍔ㄦ侀┍鍔ㄦ暟鐮佺鐨勬柟寮忥紝鍗宠淇濊瘉褰撴暟鐮佺鏄剧ず鏃剁殑鏁堟灉娌℃湁闂儊鐨勭幇璞″嚭鐜帮紝浜 搴︿竴鑷达紝娌℃湁鎷栧熬鐜拌薄銆傜敱浜庝汉鐪煎棰戠巼澶т簬瀵24Hz浠ヤ笂鐨勫厜鐨勯棯鐑佷笉鏁忔劅锛岃繖鏄埄鐢ㄤ簡...
绛旓細;鍗曠墖鏈轰富棰12MHz锛孭0椹卞姩涓涓鏁扮爜绠锛寰幆鏄剧ず0-f璁℃暟淇℃伅锛;浣跨敤T0璁℃暟锛屾瘡涓夋璁℃暟杈撳叆淇″彿璁℃暟鏄剧ず鍔1 include <reg52.h> define uchar unsigned char uchar k;//--- uchar code seg7[16] = { 0xC0,0xF9,0xA4,0xB0,0x99, //鍏遍槼鏋0-4鏄剧ず浠ｇ爜 0x92,0x82,0xF8,0x80,0x90, //5...
