Table of Contents


NAME

data:measure-freq - determine frequency from last 3 crossings (Decida Procedure)

USAGE

          data:measure-freq d signal args

ARGUMENTS

d data object
signal signal to measure
level signal crossing point (usually VDD/2)
args OPTIONS

RESULTS

returns frequency in MHz using last 3 periods
if there aren't at least 3 periods, returns 0

EXAMPLE-CALL

            set freq [d measure-freq VCLK -level [expr $Vdd/2.0]]

AUTHOR

Richard Booth

Table of Contents