SNLS589B September 2016 – July 2018 DS90UB960-Q1
RX port specific register. The FPD-Link III Port Select register 0x4C configures which unique Rx port registers can be accessed by I2C read and write commands.
|7:1||SLAVE_ID4||R/W||0x0||7-bit Remote Slave Device ID 4
Configures the physical I2C address of the remote I2C Slave device attached to the remote Serializer. If an I2C transaction is addressed to the Slave Alias ID4, the transaction is remapped to this address before passing the transaction across the Bi-directional Control Channel to the Serializer.