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STC3100 数据表(PDF) 13 Page - STMicroelectronics |
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STC3100 数据表(HTML) 13 Page - STMicroelectronics |
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13 / 21 page ![]() STC3100 I2C interface 13/21 Figure 8. Read operation Figure 9. Write operation Start Device addr Reg address 8 bits A Restart Device addr A Reg data 8 bits A Reg data 8 bits A Reg data 8 bits A Address n+1 Start bit = SDA falling when SCL = 1 7 bits 7 bits Stop A W Stop bit = SDA rising when SCL = 1 Restart bit = start after a start Master Slave Acknowledge = SDA forced low during a SCL clock R Address n+2 AM00833 Start Device addr Reg address 8 bits A Reg data A Reg data 8 bits A Reg data 8 bits A Address n+1 Start bit = SDA falling when SCL = 1 7 bits8 bits Stop A W Stop bit = SDA rising when SCL = 1 Restart bit = start after a start Address n+2 AM00834 |
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