This paper discusses the main functional requirements of message buffering, message filtering, and communications gateway (the transfer of data between different nodes on the same ECU (Electronic Control Unit)) of a CAN (Controller Area Network) module for the automotive market and explores different implementations of the key requirements. Each of the requirements are discussed in detail and possible implementations suggested. Specifically, it compares implementing the requirements within a standalone module with the alternative approach of using a simpler CAN macro in conjunction with other standard MCU (Mikrocontroller Unit) resources, such as system RAM (Random-Access Memory), co-processor and DMA (Direct Memory Access), which are not dedicated to CAN.
Implementation of automotive CAN module requirements
2006
6 Seiten, 5 Bilder
Aufsatz (Konferenz)
Englisch
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