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I 2 C Bus

I 2 C Bus. Inter-Integrated Circuit Bus. The I 2 C Bus Protocol. I 2 C Slave interface. I 2 C Master interface. Master to Slave. I2C Bus Events : Start I2C และ Stop I2C. I2C Bus Events : Transmitting a byte to a slave device. I2C Bus Events : Receiving a byte from a slave.

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I 2 C Bus

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  1. I2C Bus Inter-Integrated Circuit Bus

  2. The I2C Bus Protocol

  3. I2C Slave interface

  4. I2C Master interface

  5. Master to Slave

  6. I2C Bus Events: Start I2Cและ Stop I2C

  7. I2C Bus Events: Transmitting a byte to a slave device

  8. I2C Bus Events: Receiving a byte from a slave

  9. I2C Bus Events: Getting Acknowledge from a slave

  10. I2C Bus Events: Giving Acknowledge to a slave

  11. I2C Bus Events: No Acknowledge (from slave to master) This means that either : • The slave is not there (in case of an address) • The slave missed a pulse and got out of sync with the SCL line of the master. • The bus is "stuck". One of the lines could be held low permanently

  12. ข้อกำหนดเบื้องต้น BUS Speed • 100kHz – 400kHz Voltage Level • In the beginning the I2C bus focussed on 5 volt logic. • With the I2C specification 2.0 released 1998 the possible I2C reference voltage was decreased to 2 volt.

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