10.2.9.2 ProASICPLUS® PLL Parameter Description

The following table describes all the parameters of a ProASICPLUS PLL.

Table 10-156. Parameter Description
ParameterValueFunction
CLKS1 2Primary or Both outputs
FIN1.5–180 MHzInput Frequency
PRIMFREQ1.5–240 MHzPrimary Output Frequency
PDELAYVAL0–8 nsPrimary Delay value, in steps of .25 ns
PDELAYSIGN0 1Positive or Negative primary delay
PPHASESHIFT0 90 180 270Primary Phase-shift
PBYPASS0 1No Yes. Primary Bypass
FIN21.5–240 MHzSecondary Input Frequency, Only if PLL is bypassed for Secondary Output
SECFREQ1.5–240 MHzPrimary Output Frequency
SDELAYVAL0–8 nsPrimary Delay value, in steps of 0.25 nsA
SDELAYSIGN0 1Positive or Negative primary delay
SPHASESHIFT0 90 180 270Primary Phase-shift
SBYPASS0 1No Yes. Primary Bypass
FBInternal Deskewed ExternalFeedback
CONFSTATICDYNAMICConfiguration

A. In the GUI, the delay is entered directly as a value between -3.75 and +3.75 without breaking it into sign and value.