51
鍗曠墖鏈哄畾鏃跺櫒浣跨敤鈥斺�斿皬鐏棯鐑?/p>
涓�銆佸畾鏃跺櫒宸ヤ綔鏂瑰紡璁剧疆
TMOD=0x01
GATE =0
鐢?/p>
TR=1
鎺у埗寮�濮嬭鏃讹紱
C/ T=0
浣滀负瀹氭椂鏃跺櫒浣跨敤锛?/p>
M1=0\M0=1
鐢ㄤ綔
16
浣嶅畾鏃跺櫒
浜屻�佽鏁板瘎瀛樺櫒
TH0\TL0
鍒濆鍊艰绠楀瀹氭椂
0.02
绉?/p>
鏅�?/p>
51
鍗曠墖鏈?/p>
12T
妯″紡锛?/p>
(
涓�
)
鎵嬪伐璁＄畻
渚嬪
鏅舵尟涓?/p>
10.6850MHZ
瀹氭椂
20
姣
X/10.6850*1000000*12=20
姣
X=17808
鍘熷鍊?/p>
T0=Y Y+17808=65536 Y=47728
鍒╃敤绉戝璁＄畻鍣ㄨ繘琛?/p>
16
杩涘埗杞崲涓?/p>
0Xb800 TH0=0x80 TL0=0x00
锛堜簩锛夊崟鐗囨満鍏紡璁＄畻
T1MS=
锛?/p>
65536-1068500/12/1000)
//
璁＄畻瀹氭椂
1ms
鎵�闇�瑕佸畾鏃剁殑璁℃暟
鍊?/p>
TL0=T1MS;//
鍒濆鍖栧畾鏃剁殑璁℃暟鍒濆�硷紙绗?/p>
8
浣嶏級
锛岄珮
8
浣嶄涪澶?/p>
TH0=T1MS>>8;//
灏嗚繖涓暟鍙崇Щ
8
浣嶏紝灏嗛珮
8
浣嶇Щ鑷崇
8
浣嶇殑浣嶇疆锛?/p>
锛堜笁锛夊惎鍔ㄥ畾鏃跺櫒
(TR0=1)
锛屽垽鏂槸鍚︽孩鍑?/p>
(If(TF0==1){//})
锛屾椂闂?/p>
鍒般�?/p>
(
鍥?/p>
)
闂儊鐨勫皬鐏唬鐮?/p>
#include<REG51.h>
//P1 0
鑴氭帴
LED
灏忕伅
sbit led=P1^0;