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2015-01-23
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µÚ1Õ ÏÖ³¡×ÜÏß1
1.1ÏÖ³¡×ÜÏß¼ò½é1
1.1.1ÏÖ³¡×ÜÏ߸ÅÄî1
1.1.2ÏÖ³¡×ÜÏߵķ¢Õ¹1
1.1.3ÏÖ³¡×ÜÏßµÄÌصã2
1.2 CAN×ÜÏß2
1.3 CAN¿ØÖÆÆ÷¼°ÓйØÆ÷¼þ¼ò½é3
1.3.1INTEL82527CAN¿ØÖÆÆ÷4
1.3.2΢¿ØÖÆÆ÷P8XC5925
µÚ2Õ סլСÇø°²·Àϵͳ×ÜÌåÉè¼Æ7
2.1 Õû¸öϵͳÍØÆ˽ṹ7
2.2 ´«¸ÐÆ÷ÔÚ¸÷»§ÄڵݲÖÃÓëÑ¡ÐÍ8
µÚ3Õ Ӳ¼þÉè¼Æ11
3.1 ×îСϵͳ½Úµã11
3.2 °²·Àϵͳ12
3.2.1 ¸÷´«¸ÐÆ÷µÄ¹¤×÷ÔÀí12
3.2.2 ±¨¾¯µç·14
3.3 CAN×ÜÏßͨÐŽӿÚÊÊÅ俨14
3.3.1 80C31Óë82527µç·15
3.3.2 Ë«¿ÚRAMµç·15
3.3.3 ÖжÏÉêÇëµç·16
3.3.4 ¸´Î»µç·17
3.4 µçÔ´µÄÉè¼Æ17
µÚ4Õ Èí¼þÉè¼Æ19
4.1 ÖÇÄÜ¿ØÖÆÆ÷ºÍ¼ÒÍ¥Öն˼äͨÐÅ19
4.2 ÖÇÄÜ¿ØÖÆÆ÷ÓëСÇø¹ÜÀíÖÐÐļäµÄͨÐÅ21
4.3 ÉÏλ»úÈí¼þÉè¼Æ 23
4.4 CANͨÐÅÐÒé23
4.4.1 »ùÓÚ¡°ÃüÁî+²ÎÊý¡±µÄͨÐÅÐÒé25
4.4.2 »ùÓÚ¡°¶à¾ºÕù×ܲá±µÄͨÐÅ·½Ê½25
4.4.3 CANµÄ±¨ÎÄ´«Ëͼ°Ö¡½á¹¹26
4.4.4 CANµÄλʱ¼ä27
4.5 CANͬ²½·½Ê½28
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¹Ø¼ü´Ê£º CAN×ÜÏß¡¢¿ØÖÆÆ÷¡¢µ¥Æ¬»ú80C31¡¢
The Design Of Security and Protection System
Abstract£ºAt this time, the subject is ¡°The design Of Security and Protection System¡±, used CAN (Controller Area Network) BUS technology¡£ At present, already having more than two thousand companies of 56 countries and sections are used CAN BUS technology very products. The system, which main core is nerve center CMOS chip of CAN BUS networks, make single-chip 80C31 for assistant deal with information, it is one powerful function system. Currently emanate information of manifold transducer is due to single-chip 80C31 incept and management, then single-chip communicate CAN BUS network, make some alarm information, message, system time send to computer center awoke worker on duty notice and devise relevant measure.
Key Words: CAN Bus£»Controller£»single-chip 80C31