Transcription of Controller Area Network (CAN) Basics
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1999 Microchip Technology 1AN713 Controller area Network (CAN) BasicsINTRODUCTIONC ontroller area Network (CAN) was initially created byGerman automotive system supplier Robert Bosch inthe mid-1980s for automotive applications as a methodfor enabling robust serial communication. The goal wasto make automobiles more reliable, safe and fuel-effi-cient while decreasing wiring harness weight and com-plexity. Since its inception, the CAN protocol has gainedwidespread popularity in industrial automation andautomotive/truck applications. Other markets wherenetworked solutions can bring attractive benefits likemedical equipment, test equipment and mobilemachines are also starting to utilize the benefits of goal of this application note is to explain some ofthe Basics of CAN and show the benefits of choosingCAN for emb
message ID, decide whether to process or discard the received information. ... The first and most common type of frame is a Data Frame. This is used when a node transmits information to any or all other nodes in the system. Sec-ond is a Remote Frame, which is basically a Data Frame with the RTR bit set to signify it is a Remote
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