PRXFERGATE

Transfergate with enable active low. Output strength reduced.

    PRXFERGATE

Library

Modelica/Electrical/Digital/Tristates

Description

Description in VHDL is given by http://www.cs.sfu.ca/~ggbaker/reference/std_logic/src/std_logic_entities.vhd

Truth Table

DataIn Enable DataOut
* U U
* X UW
* 0 DataIn, Strength Reduced
* 1 Z
* Z UW
* W UW
* L DataIn, Strength Reduced
* H Z
* - UW

UW: if dataIn == U then U else W Strength Reduced: 0 -> L, 1 -> H, X -> W

Parameters

PRXFERGATE_0

NameLabelDescriptionData TypeValid Values

mo_tHL

tHL

High->Low delay

Scalar

mo_tLH

tLH

Low->High delay

Scalar

mo_nextstate

nextstate

nextstate

Structure

mo_nextstate/fixed

fixed

Cell of scalars

true
false

mo_nextstate/start

start

FromModelica('Modelica.Electrical.Digital.Interfaces.Logic.''U''')
FromModelica('Modelica.Electrical.Digital.Interfaces.Logic.''X''')
FromModelica('Modelica.Electrical.Digital.Interfaces.Logic.''0''')
FromModelica('Modelica.Electrical.Digital.Interfaces.Logic.''1''')
FromModelica('Modelica.Electrical.Digital.Interfaces.Logic.''Z''')
FromModelica('Modelica.Electrical.Digital.Interfaces.Logic.''W''')
FromModelica('Modelica.Electrical.Digital.Interfaces.Logic.''L''')
FromModelica('Modelica.Electrical.Digital.Interfaces.Logic.''H''')
FromModelica('Modelica.Electrical.Digital.Interfaces.Logic.''-''')
'L.''U'''

PRXFERGATE_1

NameLabelDescriptionData TypeValid Values

mo__nmodifiers

Number of Modifiers

Specifies the number of modifiers

Number

mo__modifiers

Modifiers

Add new modifier

Structure

mo__modifiers/varname

Variable name

Cell of strings

mo__modifiers/attribute

Attribute

Cell of strings

'start'
'fixed'

mo__modifiers/value

Value

Ports

NameTypeDescriptionIO TypeNumber

enable

implicit

input

1

x

implicit

input

2

y

implicit

output

1