Question about serializer and deserializer

[master_picengineer]

Deserializer

Hi,
can anybody explain me the principle on how clock is generated from an incoming serial signal and how synchronization is made between the serializer and the deserializer.

 

[nxtech]

Re: Deserializer

Depends on how you are recieving the signal. If you are just getting a serialized signal that runs off of a external clock (i.e. board level clock) you just read it in and then deserialize it.

However if you are recieving it from say a Rocket IO chip then you have a few more things to worry about.

What specifically is your application?

E

 

[mouzid]

Deserializer

In fact I am designing a serdes in VHDL for ASIC's IPs Interconnect.
The serializer drived by the clock 1 generates the serialised data from a parallel data.
The deserializer utilises the incoming data to generate the clock 2 (independent from the seralizer's one) whch is used to synchronize the circuitry of the deserializer.
I thing that this is clear.

Added after 13 minutes:

@Master_Picengineer
If you are designing transcievers as SERDES, In order to generate the clock you have to send at the beginning a serie of '1' and '0' after that you sent the data. This enable to know the simpling rate of the data.
I am searching for material on this issue.


@ all,
please if anybody have docs upload it.

Regards,
Mouzid