Transcription of AN1278 APPLICATION NOTE - st.com
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AN1278 APPLICATION NOTE - st.com
AN1278 /05021/44AN1278 APPLICATION NOTELIN (LOCAL INTERCONNECT NETWORK) SOLUTIONSby Microcontroller Division ApplicationsINTRODUCTIONMany mechanical components in the automotive sector have been replaced or are now beingreplaced by intelligent mechatronical systems. A lot of wires are needed to connect thesecomponents. To reduce the amount of wires and to handle communications between thesesystems, many car manufacturers have created different bus systems that are incompatiblewith each order to have a standard sub-bus, car manufacturers in Europe have formed a consortiumto define a new communications standard for the automotive sector. The new bus, called LINbus, was invented to be used in simple switching applications like car seats, door locks, sunroofs, rain sensors, mirrors and so LIN bus is a sub-bus system based on a serial communications protocol. The bus is asingle master / multiple slave bus that uses a single wire to transmit data.
5/44 LIN (LOCAL INTERCONNECT NETWORK) SOLUTIONS The LIN protocol is object-oriented and not address-oriented. The header contains the identi-fier which identifies the LIN frame and the data it contains.
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