The Time-Triggered Communication Protocol TTP/CHard real-time and composability are requirements of increasing importance in the embedded systems market. Conventional event-triggered communication protocols, such as CAN, are appropriate for soft real-time systems that require flexibility and do not have substantial timeliness and dependability requirements. If composability, hard real-time performance and dependability are more prominent issues than flexibility, then the Time-Triggered Protocol TTP/C is most suitable. TTP/C provides clock synchronization, hard real-time message delivery with minimal jitter and very comprehensive error detection mechanisms. In order to fully exploit these advantages, a development environment for TTP/C-based systems following a two-level design approach has been developed by TTTech.
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