Star coupler certified to the FlexRay electrical physical layer V3.0
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The E981.56 is fully downward compatible with the preceding 1st generation E981.56 device and comes in a 44-pin QFN (Quad Flat No-leads) package with 9 mm edge length and is qualified according to AEC-Q100. It is designed for a temperature range of -40°C to +125°C and a wide supply voltage range of 5.5 V to 18 V.
Furthermore, the E981.56 fulfills the requirements of vehicle manufacturers with respect to electromagnetic compatibility (EMC) and electrostatic discharge (ESD).
Thanks to the four independent physical bus drivers for transmitting and receiving FlexRay messages, up to four branches of a FlexRay network can be connected with each other with a star coupler. The number of the network’s supported branches can be increased according to a modular principle by connecting several star couplers with each other via the integrated intra-star interface.
Configuration by means of a microcontroller and the exchange of diagnosis data are executed via the SPI compatible host-controller interface. Optionally, an integrated interface to a communication controller enables use of the E981.56 as a standard transceiver or as autonomous repeater entirely without an additional controller.
Visit Gleichmann & Co. Electronics GmbH at www.msc-ge.com
Visit Elmos Semiconductor at www.elmos.de
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