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| FlexRayTM TRansceiveR WiTh Wakeup Features y Part of the FlexRayTM electrical, physical layer y Interface between communication controller and physical medium (twisted pair bus line) y Support of data rates up to 10 Mbit/s y Support of low power mode for an ECU y Remote wake-up via bus line y Enhanced diagnosis capability via SPI with interrupt generation y Protection against overload damage by current limitation and overtemperature detection y Bus driver outputs withstand - 27 V / + 40 V DC voltage y Low EME due to balanced differential transmission E910.55 Brief Functional Description The low cost bus driver is a part of the electrical, physical layer in a FlexRayTM communication network. The E910.55 provides an interface between the twisted pair physical bus medium and a communication controller (CC). An SPI interface connects the bus driver (BD) to a host controller (HOST) to provide status information concerning failure detection on the bus lines (e.g. short-circuits, ground loss) and overtemperature condition. An interrupt signal is generated whenever the failure status changes. The device supports normal and standby modes and provides remote wake up capability via bus line. The output (INH) can be used to control an external voltage regulator. applications y Transceiver in FlexRayTM nodes (ECUs) ELMOS is member of the FlexRay consortium Typical application Blockdiagram SCSN VBAT SCK SDI Host Interface (SPI + Interrupt) Internal Communication Controller Interface Logic Bus Failure Detector BP Microcontroller (HOST) Communication Controller TxEN SPI INTN TxD RxD VIO Power Supply ECU 1 SDO INTN RxD TxD TxEN INH Transmitter BM Receiver Wake up Detector 4 VCC INH BP BM LWU Inhibit & Wake Local Wakeup LWU Bus Driver E910.55 VBAT VCC GND Power Supply 5V Regulator Undervolt. Monitor Overtemp. Monitor POR Vref VIO E910.55 GND ELMOS Semiconductor AG October 2007 elMOs semiconductor aG - headquarters Heinrich-Hertz-Str. 1 | 44227 Dortmund | Germany Phone +49(0)231-7549-0|Fax +49(0)231-7549-149 sales@elmos.de | www.elmos.de elMOs semiconductor aG - Munich Branch Am Gefluegelhof 12 | 85716 Unterschleissheim | Germany Phone +49(0)89-318370-30|Fax +49(0)89-318370-31 sales@elmos.de | www.elmos.de elMOs semiconductor aG - stuttgart Branch Max-Eyth-Str. 35 | 71088 Holzgerlingen | Germany Phone +49(0)7031-631991|Fax +49(0)7031-631997 sales@elmos.de | www.elmos.de Mechaless systems Gmbh | a MeMBeR OF The elMOs GROup Technologiepark Karlsruhe | Albert Nestler Str. 10 | 76131 Karlsruhe | Germany Phone +49-721-62698-00 | Fax +49-721-62698-11 info@mechaless.com elMOs north america, inc. 32255Northwestern Highway Suite45 | Farmington Hills | MI 48334 | USA Phone +1-2488653200|Fax +1-2488653203 sales-int@elmos.de | www.elmos.de elMOs France s.a. 64bis rue Kleber | 92300 Levallois Perret | France Phone +33(0)1-46525959|Fax +33(0)1-42429554 sales-int@elmos.de | www.elmos.de elMOs Representative in Japan - MusashinO corporation Tohchiku Bldg. | 2-14-18 | Minato-ku | Tokyo 108-0023 | Japan Phone +81-3-3453-3351 | Fax +81-3-3453-3350 info@musashinocorp.com elMOs Distribution line - channel Microelectronic Gmbh Alleenstr. 29/3 | 73730 Esslingen | Germany Phone +49-711-930721-30 | Fax +49-711-930721-40 info@channel-microelectronic.de |
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