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Communication system and a subscriber and data buses, a plurality of which are connected to the data bus, and driving method of such a communication system
Communication system and a subscriber and data buses, a plurality of which are connected to the data bus, and driving method of such a communication system
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机译:通信系统以及与数据总线连接的多个用户和数据总线,以及这种通信系统的驱动方法
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摘要
A method and system of communication capable of expediting a calibration process which requires a data bus, multiple user nodes connected to the data bus, and data frames for data transmission that each include a data field and/or a control field and a check sum field. One user has a high-precision clock generator, and the remaining users have a clock generator having a lower precision. The users having the lower precision clock generator calibrate the lower precision clock generator to a system clock signal of the data bus, taking into account information contained in received calibration messages already present on the data bus. Expedited calibration requires the system clock signal period to be set according to a series of measurements and uses any given messages transmitted via the data bus as calibration messages, thus conserving bandwidth on the data bus.
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