Achronix Speedster22i SerDes - Manual (Page 61)

Table 14: RX PMA PLL Settings
Entry field Purpose Available Options Choice made
RX PPM
Controls the frequency accuracy
threshold (ppm) for lock
detection in the CDR
Text-box entry. The user
may enter any value.
2000 (Default)
User-controlled
CDR switch
Whether the user wants to use a
switch for clock data recovery
• True
• False False (Default)
UG028, July 1, 2014 61