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Altera_Forum
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15 years ago

What is PCML?

Hi, I am confused about the PCML, I think it is a I/O standard like CML(Current Mode Logic), and so I guess PCML means Pseudo Current Mode Logic. But the Glossary in Altera's web sit defi...
Altera_Forum's avatar
Altera_Forum
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15 years ago

Hi hdjun,

Take a look at this thread:

http://www.alteraforum.com/forum/showthread.php?t=29929

Since the transceiver circuits on FPGAs are designed to interface to many standards, PCML (pseudo current-mode logic) is whatever Altera wants it to mean, and they don't really document it well :)

The thread above has a simplified model of the transmitter (its not the circuit in the first attachment in the thread, look further down).

Cheers,

Dave