| 摘要 |
PURPOSE:To facilitate data processing and to prolong the life of an LED for data transmission by providing a no-signal period which is longer than a specific time in every cyclic data frame. CONSTITUTION:Each cyclic data frame consists of a no-signal period BLK and data slots SL1, SL2, and SL3. Each data slot is provided with a start bit ST in the beginning of the 2nd slot and a stop bit SP in the ending of the slot, and data bits D0-D7 are present between those bits. Then, the data bits D0-D7 of the data slot are all usable as control data. |
