DCB500 YAMAR | Alldatasheet
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Technical content
©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
Description
The DCB500 is a transceiver for multiplex communica tion over noisy powerline in automotive and avionics networks. The flexible protocol allows var ious applications such as transferring Data, Voice, powerline at transfer rates up to 500Kbps. The device is based on DC-BUS technology for multiplex network communication ove r noisy powerline. It avoids complex cabling, saves weight, and simplifies installation. The device communicates with its Host via Serial Peripheral In terface (SPI) or UART interface providing the user the freedom to use his application-defined protocol. Features Benefits
- 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
- 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 - + DC BATTERY CABLES DCB500 Message A Control Panel ECU Right Door ECU Battery DCB500 DCB500 DCB500 Left Door Message B Message B Message A Camera Figure 1.1 - System using DCB500 Characteristics Packet data: 500Kbps Modulation method: DQPSK Collision resolution: Built in Error correction codes: Built in Power save mode: Built in Packet size: User defined Interface: UART or SPI DCB500 - Transceiver for Powerline Communication Product Overview HOST Interface DC LINE Rx RESET XI XO SLEEP DC LINE Tx Passive Filter DC LINE