Achronix ACE Version 5.0 - Manual (Page 108)

Editors Chapter 3. Concepts
Rx PMA PLL Page
This page allows customization of the Rx PLL settings of the SerDes. Depending upon the setting of ”Enable
lane-specific Rx PMA PLL Settings” on the
PMA Settings page , either a single page is provided to configure
all lanes, or an individual page is provided for each lane. Regardless of the page title, the available settings
are identical.
Figure 3.54: Rx PMA PLL Page – SerDes Configuration Editor
Rx PMA PLL Page Options
Option Description
Rx PPM When Rx PLL is within this PPM range PMA will consider Tx PLL
to be locked
User-controlled CDR Switch Control CDR PLL to lock to reference or lock to data from fabric
Lock to Reference Only Force CDR PLL to lock to reference clock
UG001 Rev. 5.0 - 5th December 2012 http://www.achronix.com 96