The DCB1M is a 1.3Mbps transceiver/modem 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 1.3Mbps. The device is based on DC-BUS 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.
Messages from Electronic Control Unit (ECU) are stored in the internal transmit FIFO. The data is on the fly coded by a strong error correction code especially designed to meet the power-line typical channel burst noises, and is modulated by a differential QPSK modulator that drives the noisy line (through a passive filter).
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