Motor control circuit and method
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United States of America Patent
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Apr 3, 2018
Issued Date -
N/A
app pub date -
Dec 22, 2014
filing date -
Dec 20, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In accordance with an embodiment, motor control circuit has a first selector connected to a second selector through an analog to digital converter. The first selector has an input that is connected to an external pin. In addition, the second selector has a plurality of inputs and a plurality of outputs, wherein a first register is connected to a first input and a second register is connected to a second output of the second selector. In accordance with another embodiment, at a beginning step of a method for setting a duty of a drive signal of a motor, a duty setting signal is applied to an external pin. The duty setting signal is converted into a digital duty setting signal. One of the digital duty setting signal or a predetermined duty signal is transmitted to a storage register.
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