å½
æ¶æ¯é¢ç为12MHZæ¶ï¼
51åçæºå®æ¶å¨ä¸æ¬¡æé¿å®æ¶æ¶é´æ¯65.536msï¼è¦æ³å®ç°é¿å®æ¶ï¼å¯ä»¥å¤æ¬¡å®æ¶ç´¯å ï¼ä¾å¦ï¼è¦è®©å®ç°10Så®æ¶ï¼å¯ä»¥è®©å®æ¶å¨å®æ¶50msï¼å¹¶å£°æä¸ä¸ªåéï¼ä¸é¨ç´¯è®¡ä¸æ次æ°ï¼å®æ¶å¨æ¯ä¸æä¸æ¬¡ï¼è¯¥åéå 1ï¼å½åéå¼ä¸º200æ¶ï¼æ»å®æ¶æ¶é´å°±æ¯10Sã