DFFREGSRH

Edge triggered register bank with high active set and reset

Diagram

Information

This information is part of the Modelica Standard Library maintained by the Modelica Association.

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

Truth Table

DataIn Clock Reset Set DataOut
* * * U U
* * U * U
* * * 1 1
* * 1 0 0
* * 1 X X
* * X X X or U
* * 0 X X or U or 1 or NC
* * X 0 X or U or 0 or NC
* X-Trns 0 0 X or U or NC
* 1-Trns 0 0 DataIn
* 0-Trns 0 0 NC
  *  = do not care
  ~  = not equal
  U  = L.'U'
  0  = L.'0' or L.'L'
  1  = L.'1' or L.'H'
  X  = L.'X' or L.'W' or L.'Z' or L.'-'
  NC = no change

Clock transition definitions:
  1-Trns: 0 -> 1
  0-Trns: ~ -> 0 or 1 -> * or X -> X|U or U -> X|U
  X-Trns: 0 -> X|U or X|U -> 1

Parameters (4)

tHL

Value: 0

Type: Time (s)

Description: High->Low delay

tLH

Value: 0

Type: Time (s)

Description: Low->High delay

strength

Value: S.'S_X01'

Type: Strength

Description: Output strength

n

Value: 1

Type: Integer

Description: Data width

Connectors (5)

set

Type: DigitalInput

reset

Type: DigitalInput

clock

Type: DigitalInput

dataIn

Type: DigitalInput[n]

dataOut

Type: DigitalOutput[n]

Components (2)

delay

Type: InertialDelaySensitiveVector

dFFSR

Type: DFFSR

Used in Examples (1)

DFFREGSRH

Modelica.Electrical.Digital.Examples

Pulse triggered D-Register-Bank, high active set and reset

Extended by (1)

DFFREGSRL

Modelica.Electrical.Digital.Registers

Edge triggered register bank with low active set and reset