Achronix ACE Version 5.0 - Manual (Page 110)

Editors Chapter 3. Concepts
Tx User Control from Fabric Y Control PMA Transmit de-emphasis from fabric
Precursor Bit Amplitude
(mV)
((Cursor Level)+3-2*(Pre-Cursor
Level))/34*(Transmit Amplitude)
Transition Bit Amplitude
(mV)
((Cursor Level)+3)/34*(Transmit Amplitude)
Postcursor Bit Amplitude
(mV)
((Cursor Level)+3-2*(Post-Cursor
Level))/34*(Transmit Amplitude)
De-emphasis Level (dB) LOG10((Post-Cursor Level)/(Cursor Level))*20
UG001 Rev. 5.0 - 5th December 2012 http://www.achronix.com 98