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(Graph 2-5 ) serial communication and scoreboard output interface
2. Scoreboard adopts current loop or RS232 by ACII code serial output, baud rate is 600.
Each frame has 11 bytes of data, 1 start bit (0), 8 data bit (lower bit is in the front), 1 stop
bit (1).
3. Every unit of data is send out in every 100ms, each unit of data contains 3 frames data,
its definition is as follow (2-6):
First frame:
(Graph 2-6.1) first frame wave graph
Second frame
：
(Graph 2-6.2) second frame wave graph
Third frame
：
(Graph 2-6.3 ) third frame wave graph
