The embedded control channel in the FPD-Link III chipsets simplifies the key exchange protocols between the source and destinations that verify the destination is secure.
2.
FPD-Link III's embedded control channel uses the I2C bus protocol between the source and destination in the first implementations . ( However, it is not limited to I2C . ) The I2C master can read and write to all the slaves on the other side of the FPD-Link III chipset, which is effectively transparent to the I2C master and slaves communications.
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