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(3) Start condition (start bit recognition) Before executing the various commands, a start condi- tion (start bit) must be input. This is recognized when SCL is HIGH and SDA falls from HIGH to LOW. If a start condition is not input, no commands will be received. (4) Stop condition (stop bit recognition) To terminate the various commands, a stop condition (stop bit) must be input. This is recognized when SCL is HIGH and SDA rises from LOW to HIGH. (5) Precautions concerning the write command With the write command, internal writing is initiated by inputting the stop bit after the data has been input. (6) Device addressing (specifying the slave address) The master address should be output first, followed by the start condition, and then the slave address. The first four bits of the slave address are used to recog- nize the device type. The device code for this lC is