ÍÆ½ø¾àÀë¼´´Ë´¦Âí´ïÍÆ½ø¾àÀ룬°´Öµ£»
»ò¼ü£¬½«¸Ä±ä¸Ã²ÎÊý
×óÓÒ¹âÏ˼ä϶ ÔÚ¹âÏËÈ۽ӷųöµç»¡Ö®Ç°£¬Á½¹âÏËÐèÒªÔËÐе½Ïà¶Ô¾àÀëºÜ½üµÄλÅZ£¬Á½¹âÏ˶ËÃæÖ®¼äµÄ¾àÀë¾ÍÊÇ×óÓÒ¹âÏ˼ä϶£¬°´
»ò
¼ü£¬½«¸Ä±ä¸Ã²ÎÊýÖµ£»
×î´ó¶ËÃæ½Ç ¶ËÃæ½ÇÊÇÔÚX¡¢YÁ½Â·¹âÏËͼÏñÖУ¬¹âÏ˶ËÃæÓë´¹Ö±·½Ïò¼Ð½Ç¡£×î´ó¶ËÃæ½ÇÖ¸ÔÚ¶Ô¹âÏ˶ËÃæÅжÏʱ£¬¶ËÃæ½ÇÔÊÐíµÄ×î´óÖµ¡£Èç¹û¶ËÃæ½ÇÅжÏ×ÜÊDz»Í¨¹ý£¬¿ÉÊʵ±Ôö¼Ó¸Ã²ÎÊýÖµ£¬µ«ÊÇ¿ÉÄÜ»áÔö¼ÓÈÛ½ÓËðºÄ£»
µ±Ç°×´Ì¬ ¼´¸Ã²ÎÊý×éÊÇ·ñΪµ±Ç°ÈÛ½Ó²ÎÊý×飬°´»ò
¼ü£¬½«¸Ä±ä¸Ã²ÎÊýÖµ£»
4.2 ÉèÅZ
ÉèÅZ²Ëµ¥ÓÃÒÔÉèÅZÈÛ½Ó»úµÄÔËÐвÎÊý£¬°üÀ¨¹¤×÷ģʽ¡¢ÏÔʾÓïÑÔ¡¢ÉãÏñÍ·ÁÁ¶È¡¢ÏÔʾÆ÷ÁÁ¶È¡¢ÕÅÁ¦²âÊÔ¡¢×Ô¶¯¹Ø»úµÈ×Ӳ˵¥£¬Èçͼ4.4Ëùʾ¡£
25
ͼ4.4 ÉèÅZ²Ëµ¥
4.2.1 ¹¤×÷ģʽ
¹¤×÷ģʽΪÈÛ½Ó»úÈÛ½Ó¹âÏ˵Ĺý³Ì·½·¨£¬ÓÉÒÔϲÎÊý×é³É(Èçͼ4.5Ëùʾ)£º
ÈÛ½Óģʽ ÓÐ×Ô¶¯¡¢ÊÖ¶¯Á½ÖÖģʽ¡£¸Ã²ÎÊýÉèÅZ³É×Ô¶¯£¬ÔÚ´ý»ú½çÃæÏ¹رշÀ·çÕÖºó£¬ÈÛ½Ó»ú×Ô¶¯¿ªÊ¼ÔËÐÐÈÛ½Ó¹âÏ˳ÌÐò£¬ÊÖ¶¯Ä£Ê½ÔòÐèÒªÓû§°´Ï¡°SET¡±¼ü£¬ÈÛ½Ó»ú²Å¿ªÊ¼ÈÛ½Ó¹âÏË¡£Ñ¡Öиò˵¥£¬°´¶¯¡±Ö®¼äÇл»£»
ÔÝÍ£1 ÊÇÖ¸½øÐйâÏËÈÛ½Óʱ£¬¹âÏËÍÆ½øµ½Âú×ã¼ä϶Ìõ
26
¼ü£¬²ÎÊýÖµÔÚ¡°×Ô¶¯¡±ºÍ¡°ÊÖ
¼þºó£¬³ÌÐòÔÝÍ£ÔËÐУ¬µÈ´ýÓû§µÄ½øÒ»²½²Ù×÷£¬ÈôÐè¼ÌÐøÈÛ½Ó£¬Ôò°´¡°SET¡±¼ü£¬ÖжÏÈÛ½Ó£¬Ôò°´¡°RESET¡±¼ü£»
ÔÝÍ£2
¹âÏËÔÚ½ÓÐø¹ý³ÌµÄµ÷о½áÊøÊ±ÔÝÍ£ÔËÐС£
×Ô¶¯¸´Î»Ê±¼ä ÔÚÒ»´Î¹âÏËÈÛ½ÓÍê±Ïºó£¬ÎªÁË×¼±¸Ï´ÎÈÛ½Ó£¬ÍƽøÂí´ïÐèÒª¸´Î»µ½»ù׼λÅZ¡£ ¹âÏËÈÛ½ÓÍê±Ï£¬´ò¿ª·À·çÕÖ£¬¾¹ýÒ»¶Îʱ¼äµÈ´ý£¬ÍƽøÂí´ï²Å¿ªÊ¼¸´Î»£¬¸ÃµÈ´ýʱ¼ä¼´×Ô¶¯¸´Î»Ö®¼ä¡£Ñ¡Öиò˵¥ºó£¬°´¸Ä±ä¸Ã²ÎÊýÖµ£»
»ò
¼ü£¬½«
ͼ4.5 ¹¤×÷ģʽÉèÅZ
27
4.2.2 ÓïÑÔÉèÅZ
ÏÔʾÓïÑԲ˵¥ÉèÅZÈí¼þ½çÃæÏÔʾÓïÑÔ£¬ÓÐÁ½ÖÖÓïÑÔ¿ÉÑ¡£¨Èçͼ4.6Ëùʾ£©£º
ÖÐÎÄ Ñ¡ÔñºóÈí¼þ½çÃæÒÔÖÐÎÄÏÔʾ£» Ó¢ÎÄ Ñ¡ÔñºóÈí¼þ¼ûÃæÒÔÓ¢ÎÄÏÔʾ£»
ͼ4.6 ÓïÑÔÉèÅZ
4.2.3 ÉãÏñÍ·ÁÁ¶Èµ÷Õû
ÉãÏñÍ·ÁÁ¶Èµ÷Õû²Ëµ¥ÉèÅZÉãÏñÍ·ÄÚCMOS´«¸ÐÆ÷µÄÔöÒæ£¬Ìá¸ßÔöÒæ½«Ôö¼ÓͼÏñÁÁ¶È¡£°´
28
¼ü½øÈëÁÁ¶ÈÉèÅZ½çÃæ£¬