State machine circuit and state adjusting method
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United States of America Patent
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Jan 13, 2015
Issued Date -
N/A
app pub date -
Aug 9, 2013
filing date -
Apr 12, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A state machine circuit switching between multiple states is provided. The state machine circuit has: a state patch circuit for generating a patched predicted state value, a patched output value, and a selection signal according to a current state value and at least one of a second input signal, a predicted state value, and an output value of the state machine circuit; a first selection circuit for outputting the patched predicted state or the predicted state to a register according to the selection signal; and a second selection circuit for outputting the patched output value or the output value according to the selection signal, wherein the predicted state value and the output value are generated according to a first input signal and the current state value of the state machine circuit, and the predicted state value and the output value are not generated according to the second input signal.
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