Forum Discussion
fxu001
Occasional Contributor
7 years agoHow to interpret 8b/10b convert in the JESD204b bus
Hello, Observation: From one of 16 bits output signal outxTxSerialData in the JESD204B serial bus, I can figure out that there are 40 bits transitions during one clock (tx_link_clk_clk) cycle, that...
Nathan_R_Intel
Contributor
7 years agoHie Fred,
My sincere apologies or the delayed first response. I mixed up this question with another and hence missed responding to this thread.
Please check my response on the 8B10B encoding.
An example for K28.5 encoding technical table is shown in the attached diagram.
The information is also available in our user guide below (Pg2):
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ds/dsed8b10b.pdf
However, to read the parallel data, please disable scrambling; otherwise you will be reading incorrect values. I am suspecting scrambling is enabled; hence you cannot read the correct data.
Regards,
Nathan