User Manual

Editors Chapter 3. Concepts
Tx PMA Driver Page
This page allows the customization of the Tx PMA Driver settings for the Interlaken wrapper.
Figure 3.31: Tx PMA Driver Page – Interlaken Configuration Editor
Tx PMA Driver Page Options
Option Editable
Description
Transmit Amplitude
(mVdiff-pkpk)
Y
Defines the full-scale maximum swing of the driver
Cursor Level N Y
Defines the total number of driver units allocated
to the sum of the driver taps.
Pre-Cursor Level N+1 Y
Defines the total number of driver units allocated
to the first pre-cursor
Post-Cursor Level N-1 Y
Defines the total number of driver units allocated
to the sum of the first post-cursor tap.
Post-Cursor Level N-2 Y
Defines the total number of driver units allocated
to the sum of the second post-cursor tap.
Slew Rate Y
Tx driver Slew Rate control.
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)
57 http://www.achronix.com UG001 Rev. 5.0 - 5th December 2012