AR# 2109


CPLDFit - ABEL Fitter Report equation syntax


What is the definition of the syntax used in ABEL style equations in the fitter report?


Fitter Report Equation Syntax

Dot Extensions

.CLK - Register clock

.AP - Register asynchronous set

.AR - Register asynchronous reset

.OE - Pin output enable

.INTRST - Macrocell output enable

.PIN - Feedback from I/O pin

.LFBK - Local feedback from macrocell in same FB (XC9500 only)

.PRLD - Register power-on value

.DEC - Dual-edge clock (CoolRunner-II only)

.T - Register configured as a Toggle flip-flop

Logic Operators



# OR

= Combinatorial assignment

:= Registered assignment
AR# 2109
Date 07/26/2010
Status Archive
Type General Article
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