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ST6380 数据表(PDF) 39 Page - STMicroelectronics |
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ST6380 数据表(HTML) 39 Page - STMicroelectronics |
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39 / 82 page ![]() 39/82 ST6380, ST6381, ST6382, ST6383, ST6388, ST6389 SERIAL PERIPHERAL INTERFACE (Cont’d) Figure 27. I2C BUS Timing Diagram Note: The third pin, SEN, should be high; it is not used in the I2C BUS. Logically SDA is the AND of the S-BUS SDA and SEN.) VA00455 02 3 16 A 7 5 SCL SDA (TRANSMIT) SDA pulled low by receiver if acknowledged. SDA pulled low by SPI Peripheral. SDA (RECEIVE) SDA (START) SDA pulled low by receiver if acknowledged. SDA (STOP) SDA pulled low by receiver if acknowledge. If in receive then there will be no ACK. by the SPI. SCL SCL 57 A 6 14 3 2 0 57 A 6 14 3 2 0 |
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