Data transmission apparatus and electronic control unit

Details Data transmission apparatus and electronic control unit Data transmission apparatus and electronic control unit

2007-11-20

2007-11-20

Nguyen, Tanh Q (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output data buffering

C710S006000, C710S029000, C710S036000, C710S045000, C710S053000, C710S058000, C710S310000, C718S102000, C701S029000, C701S036000, C701S048000, C701S049000, C701S102000

Reexamination Certificate

active

10372172

ABSTRACT:
An electronic control unit has two microcomputers. Each microcomputer has a data buffer storing data first to be transmitted in every 8 ms, a second data buffer storing data to be transmitted in every 16 ms, and a third data buffer storing data to be transmitted in every 16 ms and being different from the first and second data buffers. The microcomputer transfers at the transmission timing of every 8 ms data in the first data buffer to the transmitting buffer, while it transfers alternately the data in the second data buffer and the data in the third data buffer to the transmitting buffer. The microcomputer also transfers an ID that indicates content of the present transmitting data to the transmitting buffer.

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