pltbutils_time_measure Entity Reference

Measures high-time, low-time and period of a signal, usually a clock. More...

Entities
bhv	architecture

Generics
G_VERBOSITY	integer := 0
G_RPT_LABEL	string := " pltbutils_time_measure "

Ports
t_hi_o	out	time
		High time.
t_lo_o	out	time
		Low time.
t_per_o	out	time
		Period time.
s_i	in	std_logic
		Signal to measure.

Detailed Description

Measures high-time, low-time and period of a signal, usually a clock.

Setting G_VERBOSITY to at least 20 reports measures times. Set G_RPT_LABEL to a prefix used in reports, typically the name of the signal being measured.

Instantiation template

(copy to your own file and remove the comment characters):

pltbutils_time_measure0 : pltbutils_time_measure
  generic map (
    G_VERBOSITY     => G_VERBOSITY
    G_RPT_LABEL     => "sig"
  )
  port map (
    t_hi_o          => sig_t_hi,
    t_lo_o          => sig_t_lo,
    t_per_o         => sig_t_per,
    s_i             => sig
  );

Definition at line 115 of file pltbutils_comp.vhd.

Member Data Documentation

G_RPT_LABEL

G_RPT_LABEL string := " pltbutils_time_measure "

Generic

Definition at line 119 of file pltbutils_comp.vhd.

G_VERBOSITY

G_VERBOSITY integer := 0

Generic

Definition at line 117 of file pltbutils_comp.vhd.

s_i

s_i in std_logic

Port

Signal to measure.

Definition at line 125 of file pltbutils_comp.vhd.

t_hi_o

t_hi_o out time

Port

High time.

Definition at line 121 of file pltbutils_comp.vhd.

t_lo_o

t_lo_o out time

Port

Low time.

Definition at line 122 of file pltbutils_comp.vhd.

t_per_o

t_per_o out time

Port

Period time.

Definition at line 123 of file pltbutils_comp.vhd.

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The documentation for this class was generated from the following file:

• src/vhdl/pltbutils_comp.vhd