SNLS696A April 2021 – May 2021 TSER953
The V3Link back channel receives an encoded back channel signal over the V3Link interface. The back channel frame is a 30-bit frame that contains I2C commands and GPIO data. The back channel frame receives an encoded clock and data from the deserializer, thus the data bit rate is one-half the frequency of the highest frequency received.
The back channel frequency is programmable for operation with compatible deserializers. The default setting is determined by the MODE strap pin. For operation with the TDES954 or TDES960, the back channel should be programmed for 50-Mbps operation in TSER953 synchronous mode and programmed for 10-Mbps operation for non-synchronous modes.