| 摘要 |
An integrated circuit (IC) device includes a first function circuitry operable to perform a first function and a second function circuitry operable to perform a second function. A multi-function terminal is provided. A voltage sensing circuit is coupled to the multi-function terminal for sensing a voltage at the multi-function terminal. If the sensed voltage is above a predetermined level, the first function circuitry is activated to perform the first function. If the sensed voltage is below the predetermined level, the second function circuit is activated to perform the second function.
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