WOLFRAM SYSTEM MODELER
DFFREdge triggered register bank with reset |
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Wolfram Language
In[1]:=
SystemModel["Modelica.Electrical.Digital.Registers.DFFR"]
Out[1]:=
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
Truth Table for high active reset:
| DataIn | Clock | Reset | DataOut | Map |
| * | * | U | U | 1 |
| * | * | 1 | 0 | 2 |
| * | 0-Trns | 0 | NC | 3 |
| * | 1-Trns | 0 | DataIn | 3 |
| * | X-Trns | 0 | X or U or NC | 3 |
| * | * | X | X or U or 0 or NC | 4 |
Truth Table for low active reset:
| DataIn | Clock | Reset | DataOut | Map |
| * | * | U | U | 1 |
| * | * | 0 | 0 | 2 |
| * | 0-Trns | 1 | NC | 3 |
| * | 1-Trns | 1 | DataIn | 3 |
| * | X-Trns | 1 | X or U or NC | 3 |
| * | * | X | X or U or 0 or NC | 4 |
* = do not care 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 (3)
| ResetMap |
Value: {1, 4, 3, 2, 4, 4, 3, 2, 4} Type: Integer[L] Description: Function selection, defaults for high active reset |
|---|---|
| strength |
Value: S.'S_X01' Type: Strength Description: Output strength |
| n |
Value: 1 Type: Integer Description: Data width |
Connectors (4)
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reset |
Type: DigitalInput Description: Input DigitalSignal as connector |
|---|---|---|
|
clock |
Type: DigitalInput Description: Input DigitalSignal as connector |
|
dataIn |
Type: DigitalInput[n] Description: Input DigitalSignal as connector |
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dataOut |
Type: DigitalOutput[n] Description: Output DigitalSignal as connector |
Used in Components (1)
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Modelica.Electrical.Digital.Registers Edge triggered register bank with high active reset |
Revisions
- September 11, 2009 created by Ulrich Donath