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Exam question 1.3 (fwd)
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wmc...@cgl.uwaterloo.ca
Aug 1, 2016, 9:40:09 PM8/1/16
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Is the Shake interface supposed to be a one-shot interface, i.e.
"Shake(0b101)" shakes tiles 0 and 2 once; or is it supposed to be a
stateful interface, i.e. "Shake(0b101)" turns on shaking for tiles 0 and 2,
turning it off for other tiles, with the intent of sending "Shake(0)"
later; or is it something else?
If it's the former, for how long do you need to assert the output?
The interface is not stateful. It is one-shot triggered by a rising
edge on its input. You do need to turn it off to shake again in the
future, but you don't have to turn it off immediately.
Thanks, Bill
"Shake(0b101)" shakes tiles 0 and 2 once; or is it supposed to be a
stateful interface, i.e. "Shake(0b101)" turns on shaking for tiles 0 and 2,
turning it off for other tiles, with the intent of sending "Shake(0)"
later; or is it something else?
If it's the former, for how long do you need to assert the output?
The interface is not stateful. It is one-shot triggered by a rising
edge on its input. You do need to turn it off to shake again in the
future, but you don't have to turn it off immediately.
Thanks, Bill
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