TSQ |
This device, also called SQuare wave timer, allow to generate square waves with variable duty-cycle. When the input is asserted, the time elapsing proceeds. When the elapsed time reaches the pre-programmed threshold, applied to the input PT#1, the Q output become TRUE. Time elapsing continue until the second pre-programmed threshold, applied to the input PT#2 is reached. When this condition become true, the Q output is putted to OFF state and the elapsed time is cleared so a new cycle could begin.
De-asserting the IN input will freeze the timer in the last condition. Applying a ON state again on the IN input will start the timer at the same point where it was left.
The ET output pin reports the current elapsed time.
Net plugs
Plug |
Description |
IN |
The square wave generation proceeds when this input is asserted |
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PT#1 |
The Q output become TRUE when the elapsed time reaches the value applied to this input. User should use an IDENT object to enter a time constant |
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PT#2 |
The Q output become FALSE when the elapsed time reaches the value applied to this input. User should use an IDENT object to enter a time constant |
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Q |
This output is function of the pre-programmed time PT#1 and PT#2 |
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ET |
This output reports the current elapsed time |
See also : TP, TMI, TON, TOF, IDENT