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| Product Overview DCB500 - Transceiver for Powerline Communication Description The DCB500 is a transceiver for multiplex communication over noisy powerline in automotive and avionics networks. The flexible protocol allows various applications such as transferring Data, Voice, Compressed video (e.g. H.264) and music (e.g. MP3) between modules sharing a common DC powerline at transfer rates up to 500Kbps. The device is based on DC-BUSTM technology for multiplex network communication over noisy powerline. It avoids complex cabling, saves weight, and simplifies installation. The device communicates with its Host via Serial Peripheral Interface (SPI) or UART interface providing the user the freedom to use his application-defined protocol. Features * Communication over DC power lines * Bit rates of 500Kbps and 300Kbps * Built in Modem, Error Correction and Synchronization * Multiplex CSMA/CA mechanism * UART and SPI interfaces with host * Channel frequency selection * Sleep mode for low power consumption Benefits * * * * * * Eliminates complex cabling Reduces weight and installation time Robust to car battery line noises Unlimited message length Suitable for Voice and video streaming Low cost CMOS Implementation Control Panel M essage A DCB500 Left Door ECU M essage B DCB500 Right Door ECU M essage B DCB500 Cam era M essage A DCB500 - + Battery DC BATTERY CABLES Figure 1.1 - System using DCB500 Characteristics Packet data: Modulation method: Collision resolution: Error correction codes: Power save mode: Packet size: Interface: 500Kbps DQPSK Built in Built in Built in User defined UART or SPI DC LINE HOST Interface XO XI RESET SLEEP DC LINE Rx DC LINE Tx Passive Filter (c)2007 YAMAR Electronics Ltd. 17 Shimon Hatarsi St. Tel Aviv, 62492 Israel Tel: +972-3-5445294 Fax: +972-3-5445279 Email: marketing@yamar.com Web: www.yamar.com PO-DCB500 Rev1.1 |
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