Johnson Counter
Johnson Counter
Also called: Ring Counter or Twisted Ring Counter.
FunctionA shift register based counter with simple feedback that can operate at high speeds. Each output bit has a duty cycle of 50% and is separated by equal phase angles. Output has only 2*WIDTH states. References |
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Parameters
|
Name |
Description |
|
WIDTH |
Width of the output Q port. |
Tagged Values
|
Name |
Variants |
|
Edge |
Rising, Falling |
|
ShiftEn |
UnUsed, Used |
|
Clear |
UnUsed, Sync, Async |
|
Set |
UnUsed, Sync, Async |
Inputs
|
Name |
Width |
Condition |
Description |
|
ShiftEn |
|
ShiftEn = Used |
|
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SyncClear |
|
Clear = Sync |
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AsyClear |
|
Clear = Async |
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SyncSet |
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Set = Sync |
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AsySet |
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Set = Async |
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Outputs
|
Name |
Width |
Condition |
Description |
|
Q |
WIDTH |
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