| 摘要 |
An isolation circuit is provided. The isolation circuit is coupled between a master circuit and a slave circuit for isolating or conducting an inter integrated circuit (I2C) signal. While the master circuit has electricity and the slave circuit does not, the isolation circuit isolates the master circuit to prevent the I2C signal being transmitted to the slave circuit. While the master circuit and the slave circuit have electricity, the isolation circuit conducts the master circuit to transmit the I2C signal to the slave circuit. The present invention solves the signal isolation problem between the master and slave circuits, and also improves the operational stability of an I2C bus.
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