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ͨÐŹ¤³ÌרҵÂÛÎÄ Õª Òª ±¾Éè¼ÆÊÇÎÞÏß·ÀµÁ±¨¾¯ÏµÍ³×Ü»úÉè¼Æ£¬ÎÞÏß·ÀµÁ±¨¾¯ÏµÍ³ÓÉÁ½²¿·Ö×é³É×Ü»úºÍ·Ö»ú£»±¾ÏµÍ³ÓÃÓÚͶӰ»úVGAÏß±»°Î±¨¾¯¡£ÓÉ·Ö»ú¼ì²âVGAÏߣ¬µ±·Ö»ú¼ì²âµ½VGAÏß±»°Îµôʱ£¬½«±¨¾¯ÐÅϢͨ¹ýÎÞÏßÐźŷ¢Ë͸øÖ÷»ú£¬Ö÷»ú½øÐб¨¾¯£¬²¢ÏÔʾÏà¹ØµÄÐÅÏ¢¡£ ÎÞÏß·ÀµÁ±¨¾¯ÏµÍ³×Ü»úÉè¼ÆʹÓÃPIC16F73µ¥Æ¬»úΪºËÐÄ£¬Ê¹ÓÃÎÞÏß½ÓÊÕÄ£¿é½ÓÊÕÎÞÏߵ粨ÐźŲ¢½âµ÷³ÉÊý×ÖÐźÅÓɵ¥Æ¬»úͨ¹ýÒì²½´®¿Ú½ÓÊÕ£¬²ÉÓÃÒº¾§ÏÔʾÆ÷ÏÔʾÏà¹ØµÄÐÅÏ¢£¬Ê¹Ó÷äÃùÆ÷½øÐб¨¾¯¡£±¾ÏµÍ³¾ßÓмòµ¥¡¢ÊµÓᢳɱ¾µÍÁ®µÈÌص㣬Ҳ¿ÉÒÔÍØÕ¹ÓÃÓÚÆäËû³¡ºÏµÄ±¨¾¯¡£ ÎÞÏß½ÓÊÕÄ£¿éΪ³¬ÔÙÉú½ÓÊյ緣¬Ê¹ÓÃAMµ÷ÖÆ·½Ê½£»Òº¾§ÏÔʾģ¿éΪʮλ¶ÎʽµÄÒº¾§ÏÔʾÆ÷£¬±¾ÏµÍ³ÖÐÖ»ÓÃÁËÒº¾§ÏÔʾÆ÷µÄÆäÖÐËÄ룬Á½Î»ÏÔʾ±¨¾¯Î»ÖúÅÂ룬ÁíÁ½Î»ÏÔʾ±¨¾¯µÄ·Ö»úºÅÂë¡£ ¹Ø¼ü´Ê£ºPIC16F73µ¥Æ¬»ú£»ÎÞÏß½ÓÊÜ£»±¨¾¯Æ÷£»Òº¾§ÏÔʾÆ÷ Abstract The design is the switchboard of the wireless anti-theft alarm system. The wireless anti-theft alarm has two parts. One is switchboard. The other is separate computer. The system is used in VGA line of alarm of projector. When the separate computer detect the VGA lost, the switchboard can receive the alarm information. The switchboard alarms and display the information. The core of the wireless anti-theft alarm switchboard is design in PIC16F73 microcontroller. The system makes the wireless receiver gain the radio wave information, and mediates it into digit information received through the asynchronous serial port of the microcontroller. It use the liquid-crystal display(LCD) display the related information and alarmed in buzzer. The system has the advantage of simple, practical and less-cost. The wireless receiver module is the super-regeneration circuit. The mediation is AM; The LCD are ten segments of liquid-crystal display, This system only uses the four segments of the LCD. There are two byte of display alarm. The other two display is separate computer number. Keyword:microcontroller(PIC16F73); wireless receive; alarm ; liquid-crystal display Ä¿ ¼ 1 Ð÷ ÂÛ1 1.1 ¿ÎÌâ±³¾°¼°Ä¿µÄ1 1.2 ¹úÄÚÍâ·¢Õ¹Çé¿ö1 1.3 Éè¼Æ˼Ïë2 2 µ¥Æ¬»úµÄ¸ÅÊö3 2.1 µ¥Æ¬»ú¼ò½é3 2.2 µ¥Æ¬»úµÄ·¢Õ¹3 2.3 µ¥Æ¬»úÌصã4 2.4 µ¥Æ¬»úµÄÒ»°ã½á¹¹4 2.4.1 ÖÐÑë´¦Àíµ¥Ôª(CPU)5 2.4.2 ´æ´¢Æ÷RAMºÍROM5 2.4.3 ÊäÈë/Êä³ö(I/O)½Ó¿Ú5 2.4.4 µ¥Æ¬»úµÄÓ¦ÓÃ5 2.5 µ¥Æ¬»ú·¢Õ¹Ç÷ÊÆ6 3 PIC16F73¼ò½é8 3.1 PICµ¥Æ¬»ú¸ÅÊö8 3.2 PIC16F7XϵÁÐ΢¿ØÖÆÆ÷¸ÅÊö8 3.2.1 PIC16F7X΢¿ØÖÆÆ÷ÐÔÄÜÌصã¼ò½é8 3.2.2 PIC16 F73µÄÒý½Å¹¦ÄÜ10 3.3 PICоƬ¾§ÕñÉè¼Æ12 4 ϵͳӲ¼þÉè¼Æ13 4.1 ÏÔʾģ¿éµÄÉè¼Æ13 4.1.1 LCDÊýÂëÏÔʾ13 4.1.2 LCM103Òº¾§ÏÔʾÆ÷13 4.2 µçÔ´µÄÉè¼Æ17 4.3 ½ÓÊÕ²¿·ÖÉè¼Æ18 4.3.1 ½ÓÊÕÄ£¿é18 4.3.2 ÕûÐÎÄ£¿é20 5 ϵͳÈí¼þÉè¼Æ23 5.1 ͬ²½/Òì²½´®ÐнӿÚUSART23 5.1.1 USARTÏà¹ØµÄ¼Ä´æÆ÷24 5.1.2 USART²¨ÌØÂÊ·¢ÉúÆ÷25 5.1.3 USARTÒì²½½ÓÊÕÆ÷26 5.2 Öжϼ¼Êõ28 5.2.1 Öжϴ¦Àí¹ý³Ì28 5.2.2 ÖжÏÏà¹ØµÄ¼Ä´æÆ÷30 5.3 ½ÓÊÕÁ÷³Ìͼ¼°³ÌÐò33 5.3.1 ½ÓÊÕÁ÷³Ìͼ33 5.3.2 ½ÓÊÕ³ÌÐò35 5.4 ÏÔʾÁ÷³Ìͼ¼°³ÌÐò37 5.4.1 ÏÔʾÁ÷³Ìͼ37 5.4.2 ÏÔʾ³ÌÐò39 6 ½áÂÛ50 Ö л51 ²Î¿¼ÎÄÏ×52 ¸½Â¼£¨A£© Ó¢ÎÄÔ­ÎÄ53 ¸½Â¼£¨B£© ººÓï·­Òë57 ¸½Â¼£¨C£© ÕûÌåµç·ͼ60
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