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can_physical_layer:main [2016/11/07 17:40] – [CAN Transceivers] heinzcan_physical_layer:main [2017/08/08 11:03] – [CAN Transceivers] new link to C&S documents heinz
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  {{http://www.oertel-halle.de/pic/canbus_level.png | CAN bus signal levels }}  {{http://www.oertel-halle.de/pic/canbus_level.png | CAN bus signal levels }}
  
-The picture shows the two signal states **recessive** and **dominant** and its signal levels for the CAN high speed version. +The picture shows the two signal states **recessive** and **dominant** and its signal levels for the CAN high speed version with 1 Mbit/s. Since Dec 2016 ISO11898-2:2016 is published specifying bit rates above 1 Mbit/s 
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 A common transceiver for the physical layer defined by ISO 11898-2 (high-speed) is NXP/Philips 82C250 and (improved version) 82c251. A common transceiver for the physical layer defined by ISO 11898-2 (high-speed) is NXP/Philips 82C250 and (improved version) 82c251.
-CAN transceivers are tested by the [[http://www.cs-group.de/ | C&S group]] (Germany) using the GIFT/ICT CAN High-Speed Transceiver Conformance Test. The paper [[http://www.cs-group.de/MunichGroupServer/public/documents/dev_spec/CAN_HS_PL_Req_12.pdf | High Speed CAN]] Specification, Requirements, Vehicle Manufacturers, explains the test in detail.+ 
 +CAN transceivers are tested by the [[http://www.cs-group.de/ | C&S group]] (Germany) using the GIFT/ICT CAN High-Speed Transceiver Conformance Test. The page [[https://www.cs-group.de/testing/conformance-tests/can-fd/ | Conformance Testing]] explains the test strategies in detail. The paper "**Interoperability test specification for high-speed CAN transceiver or equivalent devices**" can be found there.
    
 Other transceivers are TJA1054 for ISO 11898-3 (low-speed fault-tolerant CAN FaultTolerantCAN) and AU5790 (for SAE J2411 single-wire CAN). Other transceivers are TJA1054 for ISO 11898-3 (low-speed fault-tolerant CAN FaultTolerantCAN) and AU5790 (for SAE J2411 single-wire CAN).

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