| 摘要 |
There is provided a motor driver having a built-in self test function. The motor driver includes: a test signal generating unit generating a test signal having a preset frequency; a signal processing unit processing an input sensing signal; and a selecting unit selecting one of the test signal from the test signal generating unit and a signal from the signal processing unit. The motor driver further includes: a motor driving controlling unit receiving the signal selected by the selecting unit to perform a motor driving control operation or a preset test.
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